CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 73,883	$ 56,678
Accounts receivable, net	26,484	22,193
Inventory, net	24,996	17,690
Other current assets	4,864	4,780
Prepaid expenses	1,419	1,593
Deferred tax asset, current	296	0
Total current assets	131,942	102,934
Property and equipment, net	19,025	12,695
Goodwill	6,621	6,621
Intangible assets, net	3,858	3,073
Restricted cash	0	2,000
Deferred tax assets	192	513
Other assets	171	157
Total assets	161,809	127,993
Current liabilities:
Accounts payable	8,302	8,128
Accrued expenses	19,366	16,324
Line of credit, net of discount	0	18,162
Short-term financing	4,343	2,641
Current portion of long-term debt	1,009	1,763
Deferred tax liabilities, current	0	540
Total current liabilities	33,020	47,558
Line of credit, net of discount	18,166	0
Long-term debt, net of discount and current portion	1,422	2,758
Deferred tax liabilities	740	0
Other long-term liabilities	760	0
Total liabilities	54,108	50,316
Commitments and contingencies
Stockholders’ equity:
Common stock; $0.001 par value; 107,000,000 shares authorized at December 31, 2014 and 2013; 26,457,516 shares issued and 26,457,167 shares outstanding at December 31, 2014; 24,076,667 shares issued and outstanding at December 31, 2013	27	24
Treasury stock at cost	(8)	0
Additional paid-in capital	205,920	161,216
Accumulated other comprehensive income (loss)	(3,500)	198
Accumulated deficit	(94,738)	(83,761)
Total stockholders’ equity	107,701	77,677
Total liabilities and stockholders’ equity	$ 161,809	$ 127,993