CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash	$ 16,419	$ 29,054
Accounts receivable, net	13,760	15,095
Inventories, net	31,166	28,765
Prepaid expenses and other current assets	2,167	2,030
Withholding tax receivable from officer		350
Current assets of discontinued operations	237	242
Total current assets	63,749	75,536
Property and equipment, net	12,821	13,235
Operating lease right-of-use asset	2,394
Goodwill	13,897	13,897
Intangibles, net	26,226	26,408
Other assets	277	347
Noncurrent assets of discontinued operations	53	54
Total assets	119,417	129,477
Current liabilities:
Accounts payable	6,780	4,399
Accrued expenses	18,527	22,316
Current portion of long-term debt	619	3,276
Current portion of operating lease liability	1,132
Current liabilities of discontinued operations	569	621
Total current liabilities	27,627	30,612
Long-term debt, less current portion	42,559	42,299
Operating lease liability	1,778
Other long-term liabilities	14,600	15,389
Redeemable preferred stock, $0.0001 par value; 20,000 shares authorized at March 31, 2019 and December 31, 2018; 3,319 shares issued and outstanding at both March 31, 2019 and December 31, 2018	23,603	23,603
Commitments and contingencies
Stockholders' equity:
Common stock, $0.0001 par value; 200,000 shares authorized at March 31, 2019 and December 31, 2018; 46,853 issued and 46,578 outstanding at March 31, 2019 net of 275 unvested shares and 43,368 shares issued and outstanding at December 31, 2018	4	4
Treasury stock, at cost, 2 shares, at both March 31, 2019 and December 31, 2018	(97)	(97)
Additional paid-in capital	528,094	523,525
Shareholder note receivable	(5,000)	(5,000)
Accumulated other comprehensive income	1,139	1,064
Accumulated deficit	(514,890)	(501,922)
Total stockholders’ equity	9,250	17,574
Total liabilities and stockholders’ equity	119,417	129,477
Series A Convertible Preferred Stock
Stockholders' equity:
Convertible preferred stock
Series B Convertible Preferred Stock
Stockholders' equity:
Convertible preferred stock