Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 13,086	$ 24,165
Accounts receivable, net	1,828	621
Inventories	8,321	7,883
Interest receivable	10	12
Other current assets	5,601	5,335
Total Current Assets	28,846	38,016
Restricted cash	10,432	10,425
Accounts receivable, net of current portion		266
Property and equipment, net	5,800	5,772
Intellectual property, net	36,015	37,090
In-process research and development	16,161	15,920
Goodwill	68,984	68,697
Other long term assets	114	63
Total Assets	166,352	176,249
Current Liabilities
Accounts payable	3,269	3,984
Accrued expenses	7,262	8,206
Contingent consideration – current portion	6,250	10,502
Notes payable - current portion, net of debt discount	8,172	7,997
Total Current Liabilities	24,953	30,689
Long Term Liabilities
Contingent consideration – less current portion	12,550	12,298
Notes payable - less current portion, net of debt discount	2,885	4,995
Net deferred tax liabilities	9,697	10,397
Total Liabilities	50,085	58,379
Commitments and Contingencies
Stockholders’ Equity
Common stock $0.001 par value, 750,000,000 shares authorized at March 31, 2017, and December 31, 2016; 123,629,689 and 115,781,030 shares issued at March 31, 2017 and December 31, 2016, respectively; and 123,629,689 and 115,687,351 shares outstanding at March 31, 2017 and December 31, 2016, respectively	123	115
Additional paid-in capital	439,038	426,609
Accumulated deficit	(318,258)	(302,844)
Treasury stock at cost, 0 and 93,679 shares at March 31, 2017 and December 31, 2016, respectively		(241)
Accumulated other comprehensive loss	(4,636)	(5,769)
Total Stockholders’ Equity	116,267	117,870
Total Liabilities and Stockholders’ Equity	$ 166,352	$ 176,249