XML 50 R34.htm IDEA: XBRL DOCUMENT v3.3.1.900
1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accounting Policies [Abstract]      
Allowance for Doubtful Accounts Receivable $ 820,000 $ 1,002,000  
Advertising Expense 9,869,000 8,623,000 $ 8,038,000
Shipping, Handling and Transportation Costs $ 8,500,000 $ 9,254,000 $ 8,294,000