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Consolidated Balance Sheets - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Current Assets:    
Cash and cash equivalents $ 8,824,000 $ 8,552,000
Contract assets 92,000 39,000
Prepaid expenses and other assets 466,000 391,000
Total current assets 9,382,000 8,982,000
Fixed assets, net 427,000 665,000
Patents and other intangible assets, net 1,302,000 1,285,000
Other assets 10,000 10,000
Total Assets 11,121,000 10,942,000
Current Liabilities:    
Accounts payable and accrued liabilities 435,000 845,000
Current portion of lease liabilities 169,000 177,000
Accrued compensation and taxes 382,000 226,000
Contract liabilities 94,000 50,000
Total current liabilities 1,080,000 1,298,000
Long Term Liabilities:    
Long term lease liabilities 249,000 418,000
Payroll protection program loan 251,000  
Total liabilities 1,580,000 1,716,000
Commitments and contingencies
Stockholders' Equity:    
Preferred stock, $0.0001 par value, zero shares issued and outstanding
Common stock, $0.0001 par value, 30,077,436 and 26,707,261 shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively 3,000 3,000
Additional paid-in capital 84,411,000 77,210,000
Accumulated deficit (74,874,000) (67,990,000)
Total stockholders' equity 9,540,000 9,223,000
Noncontrolling Interest 1,000 3,000
Total equity 9,541,000 9,226,000
Total Liabilities and Equity $ 11,121,000 $ 10,942,000