Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 77,372	$ 42,205
Restricted cash	10,000	8,500
Short-term investments	9,062	0
Trade accounts receivable, net	5,954	6,078
Inventory	12,646	11,444
Prepaid expenses and other current assets	4,500	2,555
Current assets of discontinued operations	5,796	7,196
Total current assets	125,330	77,978
Property and equipment, net	9,823	10,618
Intangible assets	102,500	102,500
Goodwill	6,234	6,234
Other assets	2,579	2,832
Noncurrent assets of discontinued operations	231	2,673
Total assets	246,697	202,835
Current liabilities:
Accounts payable	4,293	4,742
Accrued expenses	6,681	6,016
Accrued compensation	1,988	3,157
Accrued income taxes	6,521	0
Common stock warrant liabilities	5,657	5,093
Revolving credit facility	0	1,450
Long-term debt, current portion	3,040	0
Deferred revenue	827	1,472
Current liabilities of discontinued operations	9,990	22,307
Total current liabilities	38,997	44,237
Note payable	2,641	2,461
Long term debt	16,357	19,242
Deferred revenue, less current portion	7,493	7,063
Contingent purchase consideration	51,400	53,000
Deferred income taxes	20,500	20,500
Other long-term liabilities	1,229	1,053
Stockholders' equity:
Common stock, $0.001 par value; 50,000 shares authorized at June 30, 2015 and December 31, 2014; 19,186 and 19,170 shares issued and outstanding at June 30, 2015 and December 31, 2014, respectively	19	19
Additional paid-in capital	461,671	456,920
Accumulated other comprehensive loss	(1,552)	0
Accumulated deficit	(352,058)	(401,660)
Total stockholders’ equity	108,080	55,279
Total liabilities and stockholders’ equity	$ 246,697	$ 202,835