Annual report pursuant to Section 13 and 15(d)

Income Taxes - Narrative (Details)

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Income Taxes - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]    
Valuation allowance $ 9,591,400 $ 10,401,600
Income tax benefit for impact of 2017 Tax Act   $ 120,000
Provision (benefit) 1.40% (34.60%)
Research Tax Credit Carryforward    
Income Tax Contingency [Line Items]    
Tax credit $ 14,000  
California Alternative Minimum Tax Credit    
Income Tax Contingency [Line Items]    
Tax credit 20,000  
Domestic Tax Authority    
Income Tax Contingency [Line Items]    
Net operating losses 13,262,000  
State and Local Jurisdiction    
Income Tax Contingency [Line Items]    
Net operating losses $ 17,728,000