Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

v3.22.0.1
Income Taxes (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Taxes [Line Items]        
Deferred taxes   $ 0 $ 9,534  
Uncertain tax benefit positions that would reduce the effective income tax rate if recognized   113,000    
Uncertain tax positions   $ 113,000 115,000 $ 101,000
Cumulative loss, period used to evaluate negative objective evidence   3 years    
Valuation allowance   $ 5,210,000    
Accrual for interest and penalties   0    
Net increase (decrease) in accrued interest and penalties   0    
Scenario, Forecast [Member]        
Income Taxes [Line Items]        
Expiration of statute of limitations $ 0      
Domestic Tax Authority [Member]        
Income Taxes [Line Items]        
Net operating loss carryforwards   10,008,000    
Income tax benefit related to research and development credits   1,554,000    
Tax credit carryforward related to research and development   $ 220,000    
Operating loss carryforward expiration date   Dec. 31, 2035    
State and Local Jurisdiction [Member]        
Income Taxes [Line Items]        
Income tax benefit related to research and development credits   $ 1,024,000    
Tax credit carryforward related to research and development   387,000    
Austin Taylor Communications, Ltd. [Member]        
Income Taxes [Line Items]        
Pretax income (losses)   0 0  
Net operating loss carryforwards   7,462,000    
Net2Edge [Member]        
Income Taxes [Line Items]        
Pretax income (losses)   (120,000) $ (955,000)  
Net operating loss carryforwards   $ 10,195,000