CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' DEFICIT (Unaudited) Statement - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	AOCI Attributable to Parent [Member]
Beginning balance at Dec. 31, 2017	$ (21,224,797)	$ 60,090	$ 168,637,157	$ (130,930,284)	$ (57,032,917)	$ (1,958,843)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	506,877			506,877
Share-based compensation to employees	(22,895)		(22,895)
Accretion of Series A redeemable convertible preferred stock	(38,105)		(38,105)
Dividends on Series A redeemable convertible preferred stock	(243,167)		(243,167)
Deemed dividends on Series A redeemable convertible preferred stock	(2,269,042)		(2,269,042)
Foreign currency translation	(85,245)					(85,245)
Cumulative effect of adoption of ASC 606	8,929,204			8,929,204
Ending balance at Mar. 31, 2018	(14,447,170)	60,090	166,063,948	(121,494,203)	(57,032,917)	(2,044,088)
Beginning balance at Dec. 31, 2017	(21,224,797)	60,090	168,637,157	(130,930,284)	(57,032,917)	(1,958,843)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation to employees	9,251
Ending balance at Dec. 31, 2018	(11,553,796)	587,254	112,661,846	(122,907,794)	0	(1,895,102)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(124,907)			(124,907)
Share-based compensation to employees			9,251
Accretion of Series A redeemable convertible preferred stock	(129,239)		(129,239)
Dividends on Series A redeemable convertible preferred stock	(247,027)		(247,027)
Foreign currency translation	19,392					19,392
Ending balance at Mar. 31, 2019	$ (12,026,326)	$ 587,254	$ 112,294,831	$ (123,032,701)	$ 0	$ (1,875,710)