CONSOLIDATED BALANCE SHEETS - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 5,885,474	$ 15,302,382
Short-term investments		5,106,627
Prepaid expenses and other current assets	488,106	1,561,705
Total current assets	6,373,580	21,970,714
Property and equipment, net	7,457	417,815
Intangible assets	36,406,516	41,575,516
Other assets		57,345
Total assets	42,787,553	64,021,390
Current liabilities:
Accounts payable	241,634	412,456
Accrued expenses	3,683,017	3,182,415
Derivative liabilities	1,235	64,877
Current portion of contingent consideration	9,408,000
Total current liabilities	13,333,886	3,659,748
Convertible notes payable, net of discount	30,809,129	28,278,875
Derivative liabilities	22,000	55,000
Deferred taxes	14,562,659	16,879,659
Contingent consideration and other liabilities	14,998,000	21,088,834
Total liabilities	73,725,674	69,962,116
Commitments and contingencies
Stockholders' deficit:
Preferred stock, $0.0001 par value; 25,000,000 shares authorized, none issued and outstanding
Common stock, $0.0001 par value; 100,000,000 shares authorized, 24,769,083 shares issued and outstanding at December 31, 2015 and September 30, 2016	2,477	2,477
Additional paid-in capital	171,147,476	169,683,829
Cumulative translation adjustment	(86,413)	(70,790)
Cumulative unrealized loss on investments		(971)
Accumulated deficit	(202,001,661)	(175,555,271)
Total stockholders’ deficit	(30,938,121)	(5,940,726)
Total liabilities and stockholders’ deficit	$ 42,787,553	$ 64,021,390