Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 57,991	$ 26,120
Restricted cash	2,608	2,001
Marketable securities	0	20,988
Accounts receivable, net of allowance for doubtful accounts of $470 and $1,037, respectively	32,294	34,430
Other receivables	418	1,787
Inventories	45,153	41,160
Prepaid expenses and other current assets	4,670	3,359
Total current assets	143,134	129,845
Property and equipment, net	19,212	23,265
Goodwill	120,927	120,711
Intangibles, net	80,403	84,511
Deposits and other assets	1,371	1,352
Total assets	365,047	359,684
Current liabilities:
Accounts payable	12,351	13,237
Accrued payroll	15,054	19,997
Accrued expenses and other current liabilities	16,002	11,668
Current portion of debt	17,202	0
Revolving line of credit	21	0
Total current liabilities	60,630	44,902
Deferred income taxes	201	879
Deferred rent	7,724	7,949
Other liabilities	3,877	3,783
Contingently issuable common stock	9,300	12,200
Debt	208,253	177,178
Total liabilities	289,985	246,891
Commitments and contingencies
Stockholders’ equity:
Convertible preferred stock, $0.001 par value; 5,000,000 shares authorized. No shares issued and outstanding.	0	0
Common stock, $0.001 par value; 135,000,000 shares authorized. 83,855,824 and 82,986,244 shares issued, respectively. 83,643,585 and 82,774,005 shares outstanding, respectively.	84	83
Additional paid-in capital	594,586	567,765
Accumulated deficit	(520,001)	(453,601)
Treasury stock, at cost, 212,239 and 212,239 shares, respectively.	(2,942)	(2,942)
Accumulated other comprehensive income	3,335	1,488
Total stockholders’ equity	75,062	112,793
Total liabilities and stockholders’ equity	$ 365,047	$ 359,684