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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Current Assets:    
Cash and cash equivalents $ 7,235 $ 6,451
Short-term held-to-maturity investments 0 2,606
Accounts receivable, net 87 79
Contract assets 7 20
Prepaid expenses and other assets 484 577
Total current assets 7,813 9,733
Fixed assets, net 406 384
Patents and other intangible assets, net 769 798
Other assets 10 10
Total Assets 8,998 10,925
Current Liabilities:    
Accounts payable and accrued liabilities 406 296
Current portion of lease liabilities 78 133
Accrued compensation and related taxes 581 471
Contract liabilities 1,801 247
Total current liabilities 2,866 1,147
Long Term Liabilities:    
Long term lease liabilities 186 226
Total liabilities 3,052 1,373
Commitments and contingencies (Note 7)
Stockholders' Equity:    
Preferred stock, $0.0001 par value, zero shares issued and outstanding
Common stock, $0.0001 par value, 38,565,836 and 38,023,701 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively 4 4
Additional paid-in capital 98,725 98,079
Accumulated other comprehensive loss (21) (8)
Accumulated deficit (92,762) (88,523)
Total equity 5,946 9,552
Total Liabilities and Equity $ 8,998 $ 10,925