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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Current assets    
Cash and cash equivalents $ 6,050 $ 5,812
Restricted cash 5 32
Accounts receivable, net 924 730
Inventories 963 927
Prepaid expenses and other current assets 497 330
Total current assets 8,439 7,831
Property, plant and equipment, net 460 633
Intangible assets, net 194 171
Right-of-use assets 367 203
Deferred tax assets 481 435
Other assets 61 59
Total assets 10,002 9,332
Current liabilities    
Accounts payable 232 218
Accrued liabilities 370 302
Lease liabilities, current 230 154
PPP loan payable 186  
Accrued income taxes 105  
Deferred revenue   13
Total current liabilities 1,123 687
Long term liabilities    
Lease liabilities, long term 165 66
Deferred tax liabilities 8 8
Total long-term liabilities 173 74
Total liabilities 1,296 761
Commitments and contingencies (note 9)
Stockholders' equity    
Common stock, $0.001 par value: 30,000 shares authorized, 6,601 and 6,563 shares issued and outstanding at September 30, 2020 and December 31, 2019, respectively 7 7
Additional paid-in-capital 57,966 57,940
Accumulated other comprehensive loss (44) (93)
Accumulated deficit (49,223) (49,283)
Total stockholders' equity 8,706 8,571
Total liabilities and stockholders' equity $ 10,002 $ 9,332