Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.19.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Trade accounts receivable, allowances $ 9,732 $ 11,019
Allowance for Doubtful Other Receivables, Current 158 227
Inventories, reserves 994 1,657
Notes receivable, allowance 733 759
Property and equipment, accumulated depreciation 170,842 164,720
Amortizable intangible assets, accumulated amortization $ 53,180 $ 47,179
Treasury stock, shares 2,317,650 2,317,650
Common Class A [Member]    
Common stock, par value $ 0.01 $ 0.01
Common stock, authorized 80,000,000 80,000,000
Common stock, issued 22,950,066 22,932,451
Common stock, outstanding 20,632,416 20,614,801
Common Class B [Member]    
Common stock, par value $ 0.01 $ 0.01
Common stock, authorized 20,000,000 20,000,000
Common stock, issued 5,553,696 5,553,696
Common stock, outstanding 5,553,696 5,553,696