Annual report pursuant to Section 13 and 15(d)

REVOLVING CREDIT FACILITY (Details)

v3.6.0.2
REVOLVING CREDIT FACILITY (Details) - Revolving credit agreement - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Long-term debt    
Maximum borrowing capacity $ 25,000,000  
Effective rate (as a percent) 2.13% 1.50%
Annual commitment fee (as a percent) 0.25%  
Outstanding balance $ 9,900,000 $ 2,700,000
LIBOR    
Long-term debt    
Margin on variable rate (as a percent) 1.25%