Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash and cash equivalents (includes VIE $335 and $278, respectively)	$ 906	$ 854
Trade accounts receivable, net (includes VIE $7,825 and $4,850, respectively)	7,953	5,027
Inventory, net (includes VIE $57 and $112, respectively)	1,669	874
Prepaid expense and other current assets (includes VIE $277 and $248, respectively)	1,507	2,043
Total current assets	12,035	8,798
Property and equipment, net (includes VIE $20 and $43, respectively)	274	321
Operating lease assets (includes VIE $222 and $281, respectively)	402	492
Investment in unconsolidated affiliates	1,030	1,030
Other long-term assets (includes VIE $57 and $68, respectively)	640	670
Total assets	14,381	11,311
Liabilities and Stockholders’ Deficit
Accounts payable (includes VIE $4,468 and $3,655, respectively)	9,016	8,589
Accrued expense and other current liabilities (includes VIE $3,873 and $3,782, respectively)	7,727	6,660
Contract liability (includes VIE $169 and $147, respectively)	355	310
Notes payable, net of unamortized discount and debt issuance cost	6,048	1,500
Total current liabilities	23,146	17,059
Loans payable, long-term	1,425	1,425
Operating lease liabilities, long-term (includes VIE $51 and $79, respectively)	145	194
Warrant liability	3,335	1,725
Total liabilities	28,051	20,403
Commitments and contingencies
Preferred stock,$0.001 par value; 1,000,000 shares authorized; zero issued	0	0
Common stock, $0.001 par value; 100,000,000 shares authorized; 99,916,941 and 99,505,041 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively	100	100
Additional paid-in-capital	352,387	351,546
Accumulated other comprehensive income	(184)	(226)
Accumulated deficit	(365,973)	(360,512)
Total stockholders’ deficit	(13,670)	(9,092)
Total liabilities and stockholders’ deficit	$ 14,381	$ 11,311