Annual report pursuant to Section 13 and 15(d)

PROPERTY AND EQUIPMENT (Details Textual)

v3.8.0.1
PROPERTY AND EQUIPMENT (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Depreciation, Total $ 12,400,000 $ 12,200,000 $ 12,400,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment 164,720,000 156,024,000  
Capital Lease [Member]      
Depreciation, Total 93,000,000,000 96,000,000,000 108,000,000,000
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment $ 755,000 $ 662,000 $ 566,000