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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Apr. 01, 2017
Dec. 31, 2016
ASSETS    
Cash and cash equivalents $ 7,770 $ 9,476
Restricted cash 3,100 3,100
Accounts receivable, net of reserves of $153 (2017) and $151 (2016) 1,235 1,751
Inventories 4,497 3,160
Prepaid expenses and other current assets 2,542 1,766
Total current assets 19,144 19,253
Property and equipment, net 602 645
Other assets 71 70
Total assets 19,817 19,968
LIABILITIES AND STOCKHOLDERS' DEFICIT    
Accounts payable 6,255 4,028
Revolving line of credit 1,410 676
Accrued payroll and related liabilities 818 1,085
Accrued expenses and other current liabilities 211 270
Notes payable and capital lease obligation, current 248 151
Total current liabilities 8,942 6,210
Convertible promissory note, net of debt discount, and accrued interest 14,380 14,251
Long-term warranty liability 40 36
Total liabilities 23,362 20,497
Commitments and contingencies
Stockholders' deficit:    
Preferred stock, $0.001 par value - 10,000 shares authorized; no shares issued and outstanding
Common stock, $0.001 par value - 90,000 shares authorized; 61,736 (2017) and 61,653 (2016) shares issued and outstanding 62 62
Additional paid-in capital 144,361 144,035
Accumulated deficit (147,968) (144,626)
Total stockholders' deficit (3,545) (529)
Total liabilities and stockholders' deficit $ 19,817 $ 19,968