CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($)	COMMON SHARES	PURCHASE WARRANTS	ACCUMULATED DEFICIT	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	Total
Balance at Dec. 31, 2013	$ 154,457,878		$ (158,790,569)	$ 32,419	$ 595,539
Balance (in shares) at Dec. 31, 2013	40,110,661
Balance (purchase warrants in shares) at Dec. 31, 2013		983,071
Balance at Dec. 31, 2013		$ 4,895,811
Increase (Decrease) in Shareholders' Equity
Net Loss			(21,327,157)		(21,327,157)
Unrealized Gain (Loss) on Available-For-Sale Securities				(230,088)	(230,088)
Issuance of Common Shares	$ 71,136,487				$ 71,136,487
Issuance of Common Shares (in shares)	9,268,460				7,816,944
Exercise of Purchase Warrants	$ 13,329,138	$ (4,895,811)			$ 8,433,327
Exercise of Purchase Warrants (in shares)	904,886	(983,071)
Stock Option Based Expense	$ 4,597,412				4,597,412
Restricted Stock Amortization	5,497,274				5,497,274
Balance at Dec. 31, 2014	$ 249,018,189		(180,117,726)	(197,669)	$ 68,702,794
Balance (in shares) at Dec. 31, 2014	50,284,007				50,284,007
Increase (Decrease) in Shareholders' Equity
Net Loss			(14,420,450)		$ (14,420,450)
Unrealized Gain (Loss) on Available-For-Sale Securities				(717,827)	(717,827)
Issuance of Common Shares	$ 4,132,250				4,132,250
Issuance of Common Shares (in shares)	1,644,248
Stock Option Based Expense	$ 5,193,481				5,193,481
Stock Tendered in Satisfaction of Tax Liabilities	$ (4,264,922)				(4,264,922)
Stock Tendered in Satisfaction of Tax Liabilities (in shares)	(426,378)
Restricted Stock Amortization	$ 3,694,496				3,694,496
Balance at Dec. 31, 2015	$ 257,773,494		(194,538,176)	(915,496)	$ 62,319,822
Balance (in shares) at Dec. 31, 2015	51,501,877				51,501,877
Balance (purchase warrants in shares) at Dec. 31, 2015					0
Increase (Decrease) in Shareholders' Equity
Net Loss			(19,802,916)		$ (19,802,916)
Unrealized Gain (Loss) on Available-For-Sale Securities				13,619	13,619
Foreign currency rate changes				(671)	(671)
Issuance of Common Shares	$ 80,161				80,161
Issuance of Common Shares (in shares)	25,834
Stock Option Based Expense	$ 5,984,524				5,984,524
Restricted Stock Amortization	4,361,760				4,361,760
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
Balance (purchase warrants in shares) at Dec. 31, 2016					0