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Condensed Consolidated Balance Sheets - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Current Assets:    
Cash and cash equivalents $ 5,880 $ 7,607
Short-term held-to-maturity investments 3,900  
Accounts receivable, net 38 33
Contract assets 284 39
Prepaid expenses and other assets 506 345
Total current assets 10,608 8,024
Fixed assets, net 427 530
Patents and other intangible assets, net 818 799
Other assets 10 10
Total Assets 11,863 9,363
Current Liabilities:    
Accounts payable and accrued liabilities 287 224
Current portion of lease liabilities 180 205
Accrued compensation and related taxes 300 218
Contract liabilities 61 84
Total current liabilities 828 731
Long Term Liabilities:    
Long term lease liabilities 239 350
Total liabilities 1,067 1,081
Commitments and contingencies (note 7)
Stockholders' Equity:    
Preferred stock, $0.0001 par value, zero shares issued and outstanding
Common stock, $0.0001 par value, 38,019,951 and 31,581,666 shares issued and outstanding at September 30, 2022 and December 31, 2021, respectively 4 3
Additional paid-in capital 98,008 91,035
Accumulated other comprehensive income (loss) (11) 9
Accumulated deficit (87,205) (82,765)
Total ClearSign Technologies Corporation stockholders' equity 10,796 8,282
Total equity 10,796 8,282
Total Liabilities and Equity $ 11,863 $ 9,363