Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.22.1
Note 2 - Summary of Significant Accounting Policies (Details Textual)
 12 Months Ended
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2020
USD ($)
shares
Mar. 25, 2022
USD ($)
Net Income (Loss) Attributable to Parent, Total $ (20,748,000) $ (18,732,000)  
Retained Earnings (Accumulated Deficit), Ending Balance (125,292,000) (104,544,000)  
Net Cash Provided by (Used in) Operating Activities, Total (22,707,000) (14,876,000)  
Cash and Cash Equivalents, at Carrying Value, Ending Balance 14,533,000 7,942,000  
Advertising Expense 568,000 187,000  
Accounts Receivable, Allowance for Credit Loss, Ending Balance 0 0  
Goodwill, Ending Balance 50,263,000 2,565,000  
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount 11,300,000    
Goodwill, Impairment Loss 0    
Payments of Financing Costs, Total $ 434,000 $ 176,000  
Number of Reportable Segments 1    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares 5,060,000 4,470,000  
Unrecognized Tax Benefits, Ending Balance $ 0 $ 0  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total $ 0 $ 0  
Computer Software, Intangible Asset [Member]      
Finite-Lived Intangible Asset, Useful Life (Year)   3 years  
Minimum [Member]      
Property, Plant and Equipment, Useful Life (Year) 3 years    
Finite-Lived Intangible Asset, Useful Life (Year)   3 years  
Maximum [Member]      
Property, Plant and Equipment, Useful Life (Year) 5 years    
Finite-Lived Intangible Asset, Useful Life (Year)   10 years  
Transferred at Point in Time [Member]      
Percentage of Revenue 19.00% 55.00%  
Transferred over Time [Member]      
Percentage of Revenue 81.00% 45.00%  
Subsequent Event [Member] | Tumim Stone Capital, LLC [Member]      
Stock Purchase Agreement, Maximum Obligated Purchase Amount     $ 10,000,000