Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 6,335	$ 10,761
Trade accounts receivable, less allowances of $33 and $42, respectively	2,201	3,595
Inventories, net	8,058	5,718
Prepaid and other current assets	1,094	596
Assets held for sale	0	225
Total current assets	17,688	20,895
Property and equipment, net	610	1,097
Other assets	194	159
Total assets	18,492	22,151
Current liabilities:
Accounts payable	3,606	1,630
Accrued liabilities	1,385	992
Deferred revenue	30	5
Total current liabilities	7,240	2,627
Other liabilities	200	232
Total liabilities	7,440	2,859
STOCKHOLDERS’ EQUITY
Preferred stock, par value $0.0001 per share: Authorized: 2,000,000 shares in 2016 and 2015 Issued and outstanding: no shares in 2016 and 2015	0	0
Common stock, par value $0.0001 per share: Authorized: 30,000,000 shares in 2016 and 2015 Issued and outstanding: 11,710,549 at December 31, 2016 and 11.648,978 at December 31, 2015	1	1
Additional paid-in capital	128,367	127,493
Accumulated other comprehensive (loss) income	(1)	2
Accumulated deficit	(117,315)	(108,204)
Total stockholders' equity	11,052	19,292
Total liabilities and stockholders' equity	18,492	22,151
Borrowings	$ 2,219	$ 0