Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v3.21.2
Income Taxes (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Income Taxes (Details) [Line Items]    
Change in deferred tax assets valuation allowance $ 2,085,000  
Federal [Member]    
Income Taxes (Details) [Line Items]    
Expiring date, description   As of June 30, 2021 and December 31, 2020, the Company had federal NOLs of approximately $8,243,000 available to reduce future federal taxable income, expiring in 2037, and additional federal NOLs of approximately $18,245,000 (unaudited) and $16,743,000, respectively, were generated and will be carried forward indefinitely to reduce future federal taxable income.
Net operating loss 8,243,000 $ 8,243,000
Additional federal fund NOLs 18,245,000 $ 16,743,000
State [Member]    
Income Taxes (Details) [Line Items]    
Expiring date, description   As of June 30, 2021 and December 31, 2020, the Company had State NOLs of approximately $27,363,000 (unaudited) and $27,461,000, respectively, available to reduce future state taxable income, expiring in 2041.
Net operating loss 27,363,000 $ 27,461,000
JAPAN [Member]    
Income Taxes (Details) [Line Items]    
Expiring date, description   As of June 30, 2021 and December 31, 2020, the Company has Japan NOLs of approximately $373,000 (unaudited) and $392,000, respectively, available to reduce future Japan taxable income, expiring in 2031. 
Net operating loss 373,000 $ 392,000
Taiwan [Member]    
Income Taxes (Details) [Line Items]    
Expiring date, description   As of June 30, 2021 and December 31, 2020, the Company has Taiwan NOLs of approximately $1,687,000 (unaudited) and $2,405,000, respectively, available to reduce future Taiwan taxable income, expiring in 2031. 
Net operating loss $ 1,687,000 $ 2,405,000
Federal Research and Development Tax Credit [Membe    
Income Taxes (Details) [Line Items]    
Expiring date, description The credit begins to expire in 2034 if not utilized The credit begins to expire in 2034 if not utilized
Research and development tax credit $ 37,000 $ 37,000
California State Research and Development Tax Credit [Member]    
Income Taxes (Details) [Line Items]    
Research and development tax credit $ 39,000 $ 39,000
Expiring date, description The credit can be carried forward indefinitely The credit can be carried forward indefinitely