Consolidated Condensed Statement of Stockholders' Equity (Unaudited) - USD ($)	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Total
Balance (in shares) at Dec. 31, 2018				11,298,239
Beginning balance at Dec. 31, 2018	$ (611,370)	$ (164,058,585)	$ 5,065,972	$ 56,487		$ 163,161,523	$ 3,614,027
Exercise of warrants (in shares)
Exercise of warrants
Net loss		(872,943)	(20,369)				(893,312)
Unrealized loss on short-term investments
Foreign currency translation	26,759		13,991				40,750
Balance (in shares) at Mar. 31, 2019				11,298,239
Ending balance at Mar. 31, 2019	(584,611)	(164,931,528)	5,059,594	$ 56,487		163,161,523	2,761,465
Balance (in shares) at Dec. 31, 2019				11,298,239
Beginning balance at Dec. 31, 2019	(568,030)	(166,705,572)	5,039,878	$ 56,487		163,161,523	984,286
Exercise of warrants (in shares)				105,000
Exercise of warrants				$ 53		504,853	504,906
Net loss		(588,532)	(13,196)				(601,728)
Foreign currency translation	(74,477)		(33,623)				(108,100)
Balance (in shares) at Mar. 31, 2020				11,403,239
Ending balance at Mar. 31, 2020	$ (642,507)	$ (167,294,104)	$ 4,993,059	$ 56,540		$ 163,666,376	$ 779,364