v3.21.1
Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Current assets:    
Cash and cash equivalents $ 25,351 $ 1,787
Account and other receivables, net of allowance 41 136
Prepaid expenses and other current assets 243 310
Inventories 99 106
Note receivable, current portion 1,856 1,724
Total current assets 27,590 4,063
Inventories 388 533
Property and equipment, net 471 190
Intangible assets, net 36 41
Long-term note receivable, net of current portion 1,944
Operating lease right of use asset 1,926 2,341
Other long-term assets 36 35
Total assets 30,447 9,147
Current liabilities:    
Accounts payable 194 191
Accrued liabilities 909 1,266
Current portion of long-term debt 109 6
Derivative liabilities 1,238 220
Current portion of operating lease liability 403 360
Other current liabilities 26 23
Total current liabilities 2,879 2,066
Operating lease liability, net of current portion 1,477 1,867
Long term debt, net of current portion 287 12
Total liabilities 4,643 3,945
Commitments and contingencies
Stockholders' equity:    
Common stock, $0.01 par value, 250,000,000 shares authorized; 24,552,409 and 2,434,009 shares issued and outstanding as of December 31, 2020 and 2019, respectively. 245 24
Additional paid-in capital 266,666 239,256
Accumulated deficit (241,107) (234,078)
Total stockholders' equity 25,804 5,202
Total liabilities and stockholders' equity 30,447 9,147
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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