CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - 6 months ended Jun. 30, 2017 - USD ($)	COMMON SHARES	ACCUMULATED DEFICIT	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	Total
Balance at Dec. 31, 2016	$ 268,199,939	$ (214,341,092)	$ (902,548)	$ 52,956,299
Balance (in shares) at Dec. 31, 2016	51,527,711			51,527,711
Increase (Decrease) in Shareholders' Equity
Net Loss		(11,825,007)		$ (11,825,007)
Unrealized Gain (Loss) on Available-For-Sale Securities			612,124	612,124
Foreign Currency Translation Adjustments			(274)	(274)
Shares Issued in Exchange for Services	$ 88,487			88,487
Shares Issued in Exchange for Services (in shares)	50,000
Stock Option Based Expense	$ 2,203,686			2,203,686
Stock Tendered in Satisfaction of Tax Liabilities	$ (2,287,231)			(2,287,231)
Stock Tendered in Satisfaction of Tax Liabilities (in shares)	(317,671)
Restricted Stock Amortization	$ 2,097,899			2,097,899
Restricted Stock Amortization (in shares)	480,000
Balance at Jun. 30, 2017	$ 270,302,780	$ (226,166,099)	$ (290,698)	$ 43,845,983
Balance (in shares) at Jun. 30, 2017	51,740,040			51,740,040