STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)	Preferred Stock	Common Stock	Additional Paid in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Treasury Stock	Total
Beginning balance, shares at Dec. 31, 2017	3,724,547	1,648,657				(14,535)
Beginning balance, amount at Dec. 31, 2017	$ 3,725	$ 1,649	$ 68,574,974	$ 975,877	$ (55,845,766)	$ (26,529)	$ 13,683,930
Repurchase of common and preferred shares, shares	(133,419)					(19,305)
Repurchase of common and preferred shares, amount	$ (133)		(422,709)		250,170	$ (31,318)	(203,990)
Foreign currency translation adjustment				(631,695)			(631,695)
Share-based compensation expense, shares	193,584
Share-based compensation expense, amount	$ 193		599,606				599,799
Net income (loss)					(11,531,526)		(11,531,526)
Ending balance, shares at Dec. 31, 2018	3,784,712	1,648,657				(33,840)
Ending balance, amount at Dec. 31, 2018	$ 3,785	$ 1,649	68,751,873	344,182	(67,127,122)	$ (57,847)	1,916,518
Foreign currency translation adjustment				168,712			168,712
Preferred dividends paid					(163,236)		(163,236)
Share-based compensation expense, amount			407,974				407,974
Preferred shares issued as compensation, shares	653,866
Preferred shares issued as compensation, amount	$ 654		82,567				83,221
Net income (loss)					282,011		282,011
Ending balance, shares at Dec. 31, 2019	4,438,578	1,648,657				(33,840)
Ending balance, amount at Dec. 31, 2019	$ 4,439	$ 1,649	$ 69,242,412	$ 512,894	$ (67,008,347)	$ (57,847)	$ 2,695,200