Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Notes Payable (Details Textual)

v3.20.2
Note 8 - Notes Payable (Details Textual) - USD ($)
9 Months Ended
May 07, 2020
Nov. 03, 2015
Sep. 30, 2020
Paycheck Protection Program, CARES Act [Member]      
Proceeds from Issuance of Debt $ 332,000    
Green Bank [Member] | Loan Agreement [Member]      
Debt Instrument, Face Amount   $ 10,000,000  
Debt Instrument, Term (Year)   21 years  
Debt Instrument Term, Interest Only Payments (Month)   12 months  
Debt Instrument, Interest Rate, Stated Percentage   6.00%  
Debt Instrument Covenant, Service Coverage Ratio, Minimum   1.25  
Debt Instrument Covenant, Debt-to-Net Worth Ratio, Maximum   1.0  
Debt Instrument Covenant, Current Ratio, Minimum   1.5  
Debt Instrument, Collateral Amount   $ 1,000,000  
Guarantor Obligations, Liquidation Proceeds, Percentage   90.00%  
Guarantee, Fee   $ 270,000  
Annual Fee, Guarantee, Percentage   0.50%  
Green Bank [Member] | Loan Agreement [Member] | Prime Rate [Member]      
Debt Instrument, Basis Spread on Variable Rate   2.00%  
Veritex [Member] | Loan Agreement [Member]      
Debt Instrument, Insurance Proceeds Allocated to Payment of Debt     $ 7,600,000