Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock [Member]	Warrant [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2016	$ 82,730,134	$ 0	$ 93,920,095	$ (309,369)	$ (65,416,805)	$ 28,276,651
Balance (in shares) at Dec. 31, 2016	82,730
Issuance of common stock options exercises	$ 30		17,070			17,100
Issuance of common stock options exercises (in shares)	30,000
Issuance of common stock restricted	$ 272		(124,138)			(123,866)
Issuance of common stock restricted (in shares)	271,461
Stock compensation expense restricted			157,857		157,857
Stock compensation expense non-qualified stock options			229,353			229,353
Foreign currency translation gain				186,908		186,908
Net loss					(3,533,937)	(3,533,937)
Balance at Dec. 31, 2017	$ 83,032	0	94,200,237	(122,461)	(68,950,742)	25,210,066
Balance (in shares) at Dec. 31, 2017	83,031,595
Issuance of common stock options exercises	$ 100		43,900			44,000
Issuance of common stock options exercises (in shares)	100,000
Issuance of common stock restricted	$ 981		(981)
Issuance of common stock restricted (in shares)	980,851
Stock compensation expense restricted			387,690			387,690
Stock compensation expense non-qualified stock options			295,714			295,714
Foreign currency translation gain				(64,024)		(64,024)
Net loss					(1,456,476)	(1,456,476)
Balance at Dec. 31, 2018	$ 84,113	$ 0	$ 94,926,560	$ (186,485)	$ (70,407,218)	$ 24,416,970
Balance (in shares) at Dec. 31, 2018	84,112,446