v3.21.1
Condensed Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 23,471 $ 25,351
Account and other receivables, net of allowance 67 41
Prepaid expenses and other current assets 798 243
Inventories 108 99
Note receivable 1,316 1,856
Total current assets 25,760 27,590
Inventories 407 388
Property and equipment, net 629 471
Intangible assets, net 35 36
Operating lease right of use asset 1,819 1,926
Other long-term assets 35 36
Total assets 28,685 30,447
Current liabilities:    
Accounts payable 397 194
Accrued liabilities 1,086 909
Current portion of long-term debt 1 109
Derivative liabilities 1,285 1,238
Current portion of operating lease liability 413 403
Other current liabilities 23 26
Total current liabilities 3,205 2,879
Operating lease liability, net of current portion 1,369 1,477
Long term debt, net of current portion 513 287
Total liabilities 5,087 4,643
Commitments and Contingencies
Stockholders' Equity:    
Common stock, $0.01 par value, 250,000,000 shares authorized; 24,684,574 and 24,552,409 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively. 247 245
Additional paid-in capital 267,091 266,666
Accumulated deficit (243,740) (241,107)
Total stockholders' equity 23,598 25,804
Total liabilities and stockholders' equity 28,685 30,447
Series B Convertible Preferred Stock [Member]    
Stockholders' Equity:    
Convertible preferred stock, value
Series C Convertible Preferred Stock [Member]    
Stockholders' Equity:    
Convertible preferred stock, value

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