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Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash $ 1,836 $ 350
Trade accounts receivable, less allowances of $8 and $28, respectively 2,021 2,337
Inventories, net 5,641 6,168
Short-term deposits 796 126
Prepaid and other current assets 782 353
Total current assets 11,076 9,334
Property and equipment, net 420 389
Operating lease, right-of-use asset 794 1,289
Restructured lease, right-of-use asset 107 322
Other assets 0 405
Total assets 12,397 11,739
Current liabilities:    
Accounts payable 2,477 1,340
Accrued liabilities 45 186
Accrued legal and professional fees 149 215
Accrued payroll and related benefits 885 360
Accrued sales commissions 95 32
Accrued restructuring 11 24
Accrued warranty reserve 227 195
Deferred revenue 72 18
Operating lease liabilities 598 550
Restructured lease liabilities 168 319
Finance lease liabilities 3 3
Credit line borrowings, net of loan origination fees 2,298 715
Convertible notes 0 1,700
Iliad note, net of discount and loan origination fees 0 885
PPP loan 529 0
Total current liabilities 7,557 6,542
Other liabilities 0 14
Operating lease liabilities, net of current portion 318 906
Restructured lease liabilities, net of current portion 0 168
Finance lease liabilities, net of current portion 1 4
PPP loan, net of current maturities 266 0
Iliad note, net of current maturities 0 109
Total liabilities 8,142 7,743
STOCKHOLDERS’ EQUITY    
Preferred stock, par value $0.0001 per share: Authorized: 2,000,000 shares in 2019 and 2018 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 2019 and 2018 Issued and outstanding: 11,710,549 at December 31, 2016 and 11.648,978 at December 31, 2015 [1] 0 0
Additional paid-in capital 135,113 128,873
Accumulated other comprehensive loss (3) (3)
Accumulated deficit (130,855) (124,874)
Total stockholders' equity 4,255 3,996
Total liabilities and stockholders' equity $ 12,397 $ 11,739
[1]       *Shares outstanding for prior periods have been restated for the 1-for-5 reverse stock split effective June 11, 2020.