Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS AND RECENT TRANSACTIONS (Details Textual)

v3.5.0.2
ACQUISITIONS AND RECENT TRANSACTIONS (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Sep. 09, 2016
Mar. 08, 2016
Sep. 30, 2016
Aug. 01, 2016
Jun. 30, 2016
May 25, 2016
May 18, 2016
Mar. 31, 2016
Mar. 17, 2016
Jan. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Sep. 13, 2016
Jul. 21, 2016
May 17, 2016
Dec. 31, 2015
May 06, 2015
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Payments for Loans               $ 750,000 $ 809,000 $ 2,000,000                  
Gains (Losses) on Extinguishment of Debt, Total                     $ (18,000) $ 0 $ (32,000) $ (41,000)          
Amortization of Financing Costs                         475,000 471,000          
Dividends Payable, Date Declared     Sep. 09, 2016   Jun. 02, 2016     Mar. 10, 2016                      
Common Stock, Dividends, Per Share, Declared     $ 0.0650   $ 0.0650     $ 0.0650                      
Payments of Ordinary Dividends, Common Stock     $ 1,700,000   $ 1,600,000     $ 1,700,000         5,000,000 4,956,000          
Dividends Payable, Date to be Paid     Sep. 30, 2016   Jun. 30, 2016     Apr. 05, 2016                      
Dividends Payable, Date of Record     Sep. 19, 2016   Jun. 16, 2016     Mar. 22, 2016                      
Business Combination, Consideration Transferred, Total                         8,755,000            
Goodwill     $ 25,724,000               25,724,000   25,724,000         $ 24,563,000  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents   $ 1,300,000                                  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other   600,000                                  
Business Acquisition Purchase Price Allocation Deferred Revenue     1,763,000               1,763,000   1,763,000            
Payments to Acquire Intangible Assets                         3,000            
Proceeds from Sale of Land Held-for-use $ 700,000                                    
National Park Service [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Proceeds from Sale of Other Assets                     2,500,000                
Gain (Loss) on Disposition of Other Assets                     1,900,000                
King James Bible Mobile Applications [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Combination, Consideration Transferred, Total                     900,000                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Total   4,000,000                                  
Goodwill   200,000                                  
Payments to Acquire Businesses, Gross   2,700,000                                  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents                                 $ 300,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables   300,000                                  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other   $ 200,000                                  
Term B Loan [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Payments for Loans     2,300,000   $ 1,200,000     $ 800,000 800,000                    
Debt Instrument, Face Amount     300,000,000               300,000,000   300,000,000            
Gains (Losses) on Extinguishment of Debt, Total     3,900   1,300       2,500                    
Amortization of Financing Costs     14,000   3,400       $ 6,700                    
Early Repayments of Debt, Principal Payments     1,500,000   $ 400,000                            
Time Brokerage Agreement [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Combination, Assets Arising from Contingencies, Amount Recognized     1,200,000               1,200,000   1,200,000            
Domain names and mobile applications for Daily Bible Devotion [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Combination, Consideration Transferred, Total                         3,000            
Business Acquisition Cost Of Acquired Entity Cash Paid Net                                     $ 1,100,000
Business Acquisition Contingent Earn Out Consideration Payable                                     $ 300,000
Radio station KEXB-AM in Dallas, Texas [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Combination, Consideration Transferred, Total                         $ 300,000 $ 200,000          
Asset Purchase Agreement One [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition Cost Of Acquired Entity Cash Paid Net                               $ 200,000      
FM Translator, Columbus, Ohio Asset Purchase [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         Jun. 20, 2016            
Business Combination, Consideration Transferred, Total                         $ 345,000            
FM Translator, Amherst, New York Asset Purchase [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         Jun. 10, 2016            
Business Combination, Consideration Transferred, Total                         $ 60,000            
FM Translator construction permit, Charlotte, Michigan asset purchase [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         Jun. 08, 2016            
Business Combination, Consideration Transferred, Total                         $ 50,000            
FM Translator construction permit, Atwood, Kentucky asset purchase [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         Jun. 03, 2016            
Business Combination, Consideration Transferred, Total                         $ 88,000            
FM Translator construction permit, Kerrville, Texas asset purchase [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         May 13, 2016            
Business Combination, Consideration Transferred, Total                         $ 50,000            
FM Translator, Lincoln, Maine Asset Purchase [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         May 02, 2016            
Business Combination, Consideration Transferred, Total                         $ 100,000            
FM Translator construction permit, Emporia, Kansas asset purchase [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         Apr. 29, 2016            
Business Combination, Consideration Transferred, Total                         $ 25,000            
Retirement Watch Business Acquisition [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         Apr. 01, 2016            
Business Combination, Consideration Transferred, Total                         $ 100,000            
Goodwill     8,600               8,600   8,600            
Business Acquisition Purchase Price Allocation Deferred Revenue     $ 600,000               $ 600,000   600,000            
CycleProphet.com Business Acquisition [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Combination, Consideration Transferred, Total                         $ 400,000            
Goodwill                             $ 7,200        
Business Acquisition Purchase Price Allocation Deferred Revenue                             100,000        
Business Acquisition Contingent Earn Out Consideration Payable                             $ 100,000        
Hillcrest Media Group, Inc [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Acquisition, Effective Date of Acquisition                         Aug. 01, 2016            
Business Combination, Consideration Transferred, Total       $ 3,500,000                 $ 3,515,000            
Goodwill       900,000                              
Payments to Acquire Businesses, Gross       3,300,000                              
Business Combination, Consideration Transferred, Liabilities Incurred       200,000                              
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue       $ 1,100,000                              
FM Translator Delmarva Educational Association Corporation Asset Purchase Agreement [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Combination, Consideration Transferred, Total           $ 65,000                          
FM Translator Construction Permit Delmarva Educational Association Corporation Asset Purchase Agreement [Member]                                      
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]                                      
Business Combination, Consideration Transferred, Total             $ 65,000