Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 18,496	$ 41,560
Restricted cash	1,200	1,200
Accounts receivable, net of allowance for doubtful accounts of $3,107 and $1,317, respectively	11,087	22,392
Other receivables	275	282
Inventories	25,908	26,405
Prepaid expenses and other current assets	4,441	1,864
Total current assets	61,407	93,703
Property and equipment, net	11,838	13,152
Goodwill	120,816	120,814
Other intangible assets, net	71,048	72,603
Deposits and other assets	662	1,124
Operating lease right-of-use assets	5,644	5,768
Total assets	271,415	307,164
Current liabilities:
Accounts payable	8,837	14,024
Accrued payroll	12,990	18,232
Accrued expenses and other current liabilities	15,084	12,931
Current portion of debt	192,687	10,606
Total current liabilities	229,598	55,793
Deferred income taxes	150	150
Operating lease liabilities	11,127	11,621
Derivative liabilities	0	940
Other liabilities	1,823	2,244
Contingently issuable common stock	300	500
Debt	0	172,060
Total liabilities	242,998	243,308
Commitments and contingencies
Stockholders’ equity:
Series DF-1 convertible preferred stock, $0.001 par value, 1,150,000 shares authorized, 14,649 shares issued and outstanding	0	0
Common stock, $0.001 par value, 170,000,000 shares authorized, 19,299,228 and 18,190,054 shares issued, respectively, and 19,173,845 and 18,098,464 shares outstanding, respectively	19	18
Treasury stock, at cost, 125,383 and 91,590 shares, respectively	(4,278)	(4,235)
Additional paid-in capital	738,571	730,729
Accumulated deficit	(708,681)	(664,472)
Accumulated other comprehensive income	2,786	1,816
Total stockholders’ equity	28,417	63,856
Total liabilities and stockholders’ equity	$ 271,415	$ 307,164