CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 28,486	$ 46,582
Short term investments	3,000	5,750
Accounts receivable, net	53,755	26,672
Inventory, net	7,460	5,133
Prepaid expenses and other current assets	3,609	1,540
Total current assets	96,310	85,677
Investments	0	3,250
Property and equipment, net of accumulated depreciation	9,475	5,447
Goodwill	4,040	4,040
Intangible assets, net of accumulated amortization	10,763	10,845
Deferred tax asset, net	14,838	0
Deferred financing costs and other assets	487	0
Total assets	135,913	109,259
Current liabilities:
Accounts payable	6,633	3,661
Accrued compensation	15,034	11,523
Accrued expenses	4,644	2,504
Other current liabilities	466	716
Total current liabilities	26,777	18,404
Other liabilities	1,148	1,526
Total liabilities	27,925	19,930
Commitments and contingencies
Stockholders' equity:
Preferred stock; $.001 par value; 5,000,000 shares authorized and 0 shares issued and outstanding	0	0
Common stock; $0.001 par value; 150,000,000 shares authorized; 109,467,416 issued and 107,361,471 outstanding at December 31, 2015 and 108,776,247 issued and 107,789,611 outstanding at December 31, 2014	109	108
Additional paid-in capital	163,133	162,433
Treasury stock at cost: 2,105,945 shares at December 31, 2015 and 986,636 shares at December 31, 2014	(17,125)	(5,637)
Accumulated deficit	(38,129)	(67,575)
Total stockholders' equity	107,988	89,329
Total liabilities and stockholders' equity	$ 135,913	$ 109,259