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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Current Assets:    
Cash and cash equivalents $ 7,600 $ 6,451
Short-term held-to-maturity investments 931 2,606
Accounts receivable, net 39 79
Contract assets 3 20
Prepaid expenses and other assets 575 577
Total current assets 9,148 9,733
Fixed assets, net 478 384
Patents and other intangible assets, net 762 798
Other assets 10 10
Total Assets 10,398 10,925
Current Liabilities:    
Accounts payable and accrued liabilities 428 296
Current portion of lease liabilities 95 133
Accrued compensation and related taxes 413 471
Contract liabilities 2,105 247
Total current liabilities 3,041 1,147
Long Term Liabilities:    
Long term lease liabilities 199 226
Total liabilities 3,240 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, 38,562,086 and 38,023,701 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively 4 4
Additional paid-in capital 98,604 98,079
Accumulated other comprehensive loss (20) (8)
Accumulated deficit (91,430) (88,523)
Total equity 7,158 9,552
Total Liabilities and Equity $ 10,398 $ 10,925