Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 20,865	$ 31,515
Restricted cash	1,800
Prepaids and other current assets	3,029	3,732
Total current assets	25,694	35,247
Property and equipment, net	2,695	2,073
Intangible assets, net	6,211	6,410
Goodwill	26,361	26,361
Restricted cash	124	1,924
Other assets	256	249
Total assets	61,341	72,264
Current liabilities:
Accounts payable	3,750	2,051
Accrued development costs	5,472	4,438
Accrued expenses	2,704	4,003
Short term debt, net of debt discount	14,852	14,833
Accrued purchase price liability	1,625	5,493
Deferred revenue	3,349	957
Current portion of settlement obligation	490	978
Other current liabilities	200	343
Deferred tax benefit	185	185
Total current liabilities	32,627	33,281
Deferred revenue, net of current portion	1,167	1,173
Deferred tax liability	648	648
Deferred tax benefit, net of current portion	323	369
Other non-current liabilities	410	425
Total liabilities	$ 35,175	$ 35,896
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock, $0.001 par value; Authorized - 5,000,000 shares, Issued and Outstanding - 0 shares at March 31, 2016 and December 31, 2015
Common stock, $0.001 par value; Authorized - 70,000,000 shares at March 31, 2016 and December 31, 2015; Issued and Outstanding - 26,184,349 and 24,377,573 shares at March 31, 2016 and December 31, 2015, respectively	$ 26	$ 24
Additional paid-in capital	181,126	175,126
Accumulated other comprehensive income (loss)	39	(23)
Accumulated deficit	(155,025)	(138,759)
Total stockholders' equity	26,166	36,368
Total liabilities and stockholders' equity	$ 61,341	$ 72,264