CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2015	$ 11,062,932	$ 43,378,927	$ 12,667,070	$ 573,560		$ 67,682,489
Net income			635,503			635,503
Other comprehensive loss				(100,914)		(100,914)
Stock- based compensation		68,773				68,773
Issuance of restricted common stock	15,296	(15,296)
Issuance of common stock under stock option plan	15,000	56,250				71,250
Repurchase of common stock	(175,000)	(684,500)				(859,500)
Balance at Jun. 30, 2016	10,918,228	42,804,154	13,302,573	472,646		67,497,601
Balance at Dec. 31, 2016	10,456,098	40,814,285	14,426,969	30,383	$ 199,491	65,927,226
Net income			2,182,167			2,182,167
Other comprehensive loss				425,221		425,221
Stock- based compensation		128,079				128,079
Sale of iReverse			2		$ (199,491)	(199,489)
Issuance of common stock under stock option plan	186,274	615,154				801,428
Balance at Jun. 30, 2017	$ 10,642,372	$ 41,557,518	$ 16,609,138	$ 455,604		$ 69,264,632