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Consolidated Balance Sheets - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Current Assets:    
Cash and cash equivalents $ 10,725,000 $ 8,824,000
Accounts receivable 124,000  
Contract assets 339,000 92,000
Prepaid expenses and other assets, net 243,000 466,000
Total current assets 11,431,000 9,382,000
Fixed assets, net 755,000 427,000
Patents and other intangible assets, net 1,298,000 1,302,000
Other assets 10,000 10,000
Total Assets 13,494,000 11,121,000
Current Liabilities:    
Accounts payable and accrued liabilities 438,000 435,000
Current portion of lease liabilities 193,000 169,000
Accrued compensation and taxes 190,000 382,000
Contract liabilities 48,000 94,000
Total current liabilities 869,000 1,080,000
Long Term Liabilities:    
Long term lease liabilities 506,000 249,000
Payroll protection program loan 251,000 251,000
Total liabilities 1,626,000 1,580,000
Commitments and contingencies
Stockholders' Equity:    
Preferred stock, $0.0001 par value, zero shares issued and outstanding 0 0
Common stock, $0.0001 par value, 31,137,498 and 30,077,436 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively 3,000 3,000
Additional paid-in capital 88,759,000 84,411,000
Accumulated deficit (76,895,000) (74,874,000)
Total stockholders' equity 11,867,000 9,540,000
Noncontrolling Interest 1,000 1,000
Total equity 11,868,000 9,541,000
Total Liabilities and Equity $ 13,494,000 $ 11,121,000