CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Non-Controlling Interest [Member]	Total
Balance at Dec. 31, 2017	$ 479	$ 1,511	$ 36,916,659	$ (23,414,151)	$ 4,503,046	$ 780,737	$ 18,788,281
Balance (in shares) at Dec. 31, 2017	478,776	1,511,115
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation expense due to stock option issuances			232,854				232,854
Compensation expense due to warrant issuances			23,477				23,477
Issuance of common stock and warrants for cash		$ 256	6,243,099				6,243,355
Issuance of common stock and warrants for cash (in shares)		256,040
Issuance of common stock for services		$ 84	3,033,212				3,033,296
Issuance of common stock for services (in shares)		84,152
Issuance of common stock for conversion of debt		$ 102	2,167,742				2,167,844
Issuance of common stock for conversion of debt (in shares)		101,500
Issuance of common stock upon exercise of stock options		$ 3	97,797				97,800
Issuance of common stock upon exercise of stock options (in shares)		3,000
Issuance of common stock upon exercise of warrants		$ 93	867,073				867,166
Issuance of common stock upon exercise of warrants (in shares)		93,323
Issuance of common stock for conversion of Series E preferred stock	$ (254)	$ 26	(26)
Issuance of common stock for conversion of Series E preferred stock (in shares)	(254,500)	25,450
Issuance of common stock in connection with convertible notes		$ 27	353,646				353,673
Issuance of common stock in connection with convertible notes (in shares)		27,173
Beneficial conversion feature in connection with convertible notes			288,573				288,573
Fair value of warrants issued in connection with convertible notes			1,405,048				1,405,048
Cash for exchange fees and other financing costs			(858,671)				(858,671)
Comprehensive loss:
Net loss				(6,060,522)			(6,060,522)
Net unrealized gain on securities available-for-sale, net of income taxes					(4,741,114)		(4,741,114)
Foreign currency translation adjustments					26,457		26,457
Net loss attributable to non-controlling interest						(35,431)	(35,431)
Balance at Mar. 31, 2018	$ 225	$ 2,102	50,770,483	(29,474,673)	(211,611)	745,306	21,832,086
Balance (in shares) at Mar. 31, 2018	224,276	2,101,753
Balance at Dec. 31, 2018	$ 126	$ 4,036	77,643,609	(55,721,115)	(3,902,523)	40,658	18,064,791
Balance (in shares) at Dec. 31, 2018	126,434	4,036,407
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation expense due to stock option issuances			245,614				245,614
Issuance of common stock and warrants for cash		$ 3,792	4,393,743				4,397,535
Issuance of common stock and warrants for cash (in shares)		3,791,642
Issuance of common stock for services		$ 375	252,644				253,019
Issuance of common stock for services (in shares)		375,000
Issuance of common stock for conversion of debt		$ 1,056	2,607,401				2,608,457
Issuance of common stock for conversion of debt (in shares)		1,056,066
Issuance of Series A preferred stock for cash			1,750				1,750
Issuance of Series A preferred stock for cash (in shares)	70
Cash for exchange fees and other financing costs			(250,141)				(250,141)
Comprehensive loss:
Net loss				(6,678,610)			(6,678,610)
Preferred deemed dividends				(1,869)			(1,869)
Net unrealized loss on derivatives in related party					(736,680)		(736,680)
Foreign currency translation adjustments				131,130	29,857		29,857
Net loss attributable to non-controlling interest						(32,416)	(32,416)
Balance at Mar. 31, 2019	$ 126	$ 9,259	$ 84,894,620	$ (62,270,464)	$ (4,609,346)	$ 8,242	$ 18,032,437
Balance (in shares) at Mar. 31, 2019	126,504	9,259,115