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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Assets    
Cash and cash equivalents $ 10,187 $ 22,141
Accounts receivable, net 2,798 4,152
Non-trade receivable 2,845 453
Inventory 9,906 11,344
Prepaid expenses and other current assets 6,863 7,481
Total current assets 32,599 45,571
Property and equipment, net 570 843
Other assets 5,023 3,898
Total assets 38,192 50,312
Liabilities and stockholders’ equity    
Current portion of long-term debt 177 177
Accounts payable 12,563 8,856
Accrued expenses 10,154 9,906
Warranty liability 1,296 1,530
Deferred revenue 0 5
Total current liabilities 24,190 20,474
Income tax payable 1,283 1,243
Long-term debt, less current portion 74 185
Total liabilities 25,547 21,902
Commitments and contingencies (Note 11)
Stockholders' equity    
Common stock, $0.001 par value per share; 100,000,000 shares authorized: and 9,253,238 and 6,631,039 shares issued and outstanding at September 30, 2021, and December 31, 2020, respectively.* [1] 9 7
Preferred stock, $0.001 par value per share, 5,000,000 shares authorized, and no shares issued and outstanding at September 30, 2021, and December 31, 2020, respectively.
Additional paid-in capital 235,719 224,581
Accumulated deficit (223,083) (196,178)
Total stockholders’ equity 12,645 28,410
Total liabilities and stockholders’ equity $ 38,192 $ 50,312
[1] Reflects the 1-for-10 reverse stock split that became effective on September 15, 2021. Refer to Note 1 – The Company and its Significant Accounting Policies for further information.

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