Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 97,509	$ 3,044
Restricted cash	661	0
Accounts receivable, net of allowance for doubtful accounts of $1,676 and $1,190 at June 30, 2019 and December 31, 2018, respectively	30,694	37,047
Inventories, net	26,442	27,289
Income taxes receivable	3,467	3,161
Assets held for sale	0	118,470
Other current assets	20,406	5,771
Total current assets	179,179	194,782
Property and equipment, net	41,760	45,485
Operating lease right-of-use assets	17,982
Deferred tax assets, net	605	18,663
Other intangible assets, net	24,290	26,827
Other long-term assets	0	126
TOTAL ASSETS	263,816	285,883
Current liabilities:
Accounts payable	10,858	15,011
Accrued liabilities	11,141	10,335
Income taxes payable	862	0
Interest payable	0	8
Liabilities held for sale	0	9,174
Current portion of lease liabilities	714
Long-term debt, classified as current	0	49,731
Total current liabilities	23,575	84,259
Long-term operating lease liabilities	18,256
Long-term finance lease liabilities	193
Deferred tax liabilities, net	116	0
Total liabilities	42,140	84,259
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value, 100,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.0001 par value, 80,000,000 shares authorized; 62,955,872 shares issued and 57,688,578 shares outstanding at June 30, 2019; 62,162,875 shares issued and 57,342,279 shares outstanding at December 31, 2018	6	6
Additional paid-in capital	345,217	343,536
Accumulated other comprehensive loss	(998)	(1,116)
Retained earnings (accumulated deficit)	(89,171)	(107,565)
Treasury stock, at cost; 3,947,982 and 3,770,224 shares at June 30, 2019 and December 31, 2018, respectively	(33,378)	(33,237)
Total stockholders’ equity	221,676	201,624
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 263,816	$ 285,883