CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash	$ 18,570	$ 29,054
Accounts receivable, net	13,642	15,095
Inventories, net	32,605	28,765
Prepaid expenses and other current assets	10,904	2,030
Withholding tax receivable from officer		350
Current assets of discontinued operations	225	242
Total current assets	75,946	75,536
Property and equipment, net	15,090	13,235
Operating lease right-of-use asset	2,170
Goodwill	13,897	13,897
Intangibles, net	26,054	26,408
Other assets	222	347
Noncurrent assets of discontinued operations	53	54
Total assets	133,432	129,477
Current liabilities:
Accounts payable	8,178	4,399
Accrued expenses	20,831	22,316
Current portion of long-term debt	286	3,276
Current portion of operating lease liability	1,173
Current liabilities of discontinued operations	538	621
Total current liabilities	31,006	30,612
Long-term debt, less current portion	49,369	42,299
Operating lease liability	1,467
Other long-term liabilities	13,826	15,389
Redeemable preferred stock, $0.0001 par value; 20,000 shares authorized at June 30, 2019 and December 31, 2018; 3,319 shares issued and outstanding at both June 30, 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 June 30, 2019 and December 31, 2018; 47,635 issued and 47,373 outstanding at June 30, 2019 net of 262 unvested shares and 43,368 shares issued and outstanding at December 31, 2018	4	4
Treasury stock, at cost, 2 shares, at both June 30, 2019 and December 31, 2018	(97)	(97)
Additional paid-in capital	545,423	523,525
Shareholder note receivable	(5,000)	(5,000)
Accumulated other comprehensive income	1,157	1,064
Accumulated deficit	(527,326)	(501,922)
Total stockholders’ equity	14,161	17,574
Total liabilities and stockholders’ equity	133,432	129,477
Series A Convertible Preferred Stock
Stockholders' equity:
Convertible preferred stock
Series B Convertible Preferred Stock
Stockholders' equity:
Convertible preferred stock