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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
[1]
Current Assets:    
Cash and cash equivalents $ 10,293 $ 7,415
Accounts receivable 416 85
Inventories 3,563 2,708
Prepaid expenses and other current assets 1,425 908
Total current assets 15,697 11,116
Property and equipment, net 139 142
Other assets 41 41
Total assets 15,877 11,299
Current Liabilities:    
Accounts payable 671 672
Accrued liabilities 2,660 1,433
Borrowings, current portion 847 179
Total current liabilities 4,178 2,284
Other liabilities 58 39
Borrowings, net of current portion 0 668
Derivative liability 0 387
Warrant liability 8 8
Total liabilities 4,244 3,386
Commitments and contingencies (Note 8)
Series A 8% Senior Convertible Preferred stock, par value $0.0001; 1,250,000 shares authorized; 0 and 250,000 shares issued and outstanding as of June 30, 2021 and December 31, 2020, (liquidation preference of $0 and $1,136,000) 0 597
Stockholders' Equity:    
Common stock, par value $0.0001; 200,000,000 shares authorized; 12,762,797 and 8,402,250 shares issued and outstanding as of June 30, 2021 and December 31, 2020, respectively 1 1
Additional paid-in capital 218,705 207,698
Accumulated deficit (207,073) (200,383)
Total stockholders' equity 11,633 7,316
Total liabilities, convertible preferred stock and stockholders' equity $ 15,877 $ 11,299
[1] The condensed consolidated balance sheet as of December 31, 2020 was derived from the audited consolidated balance sheet as of that date.

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