Condensed Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 23,752	$ 29,888
Accounts receivable	2,512	2,367
Inventory	595	766
Prepaid and other assets	807	1,341
Total current assets	27,666	34,362
Property and equipment, net	2,346	2,425
Intangible assets, net	6,650	6,650
Goodwill	12,005	12,005
Restricted cash	147	147
Other noncurrent assets	20	49
Total assets	48,834	55,638
Current liabilities:
Accounts payable	2,536	1,644
Accrued payroll liabilities	1,609	2,366
Accrued and other liabilities	5,298	2,892
Accrued royalties	232	242
Deferred revenue	137	142
Current portion of long-term debt	4,419	2,866
Total current liabilities	14,231	10,152
Deferred rent, net of current portion	1,347	1,426
Deferred revenue, net of current portion	693	703
Long-term debt, net of current portion	11,368	12,887
Contingent consideration	735	948
Other liabilities		28
Total liabilities	$ 28,374	$ 26,144
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock: $0.001 par value; 10,000,000 shares authorized at March 31, 2016 and December 31, 2015; no shares issued and outstanding at March 31, 2016 and December 31, 2015	$ 0	$ 0
Common stock: $0.001 par value; 100,000,000 shares authorized at March 31, 2016 and December 31, 2015; 11,977,491 shares and 11,902,363 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively	12	12
Additional paid-in capital	203,284	202,564
Accumulated deficit	(182,836)	(173,082)
Total stockholders’ equity	20,460	29,494
Total liabilities and stockholders’ equity	$ 48,834	$ 55,638