9. INCOME TAXES (Details) - Income Tax Expense (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Federal:
Current	$ 3,656,356	$ 2,540,701	$ 3,946,096
Deferred	848,666	778,213	307,639
Total Federal	4,505,022	3,318,914	4,253,735
State & local:
Current	203,144	109,254	26,073
Deferred	140,552	(29,619)	(242,227)
Total State & local	343,696	79,635	(216,154)
Foreign
Current	46,911	42,450	197,538
Deferred	255	1,769	(2,465)
Total Foreign	47,166	44,219	195,073
Total	$ 4,895,884	$ 3,442,768	$ 4,232,654