Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Term Loan, Revolving Line of Credit and Warrants (Details Textual)

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Note 4 - Term Loan, Revolving Line of Credit and Warrants (Details Textual) - PFG Loan [Member] - USD ($)
1 Months Ended
Dec. 29, 2018
Dec. 28, 2019
Mar. 30, 2019
Apr. 27, 2017
Debt Instrument, Face Amount       $ 1,500,000
Debt Instrument, Interest Rate, Stated Percentage       16.00%
Debt Instrument, Cash Interest Rate       9.50%
Debt Instrument, Deferred Interest Rate       6.50%
Debt Instrument, Maximum Fee Amount to be Paid upon Maturity       $ 100,000
Debt Instrument, Fee Amount       76,000
Debt Instrument, Remaining Fee Amount       24,000
Debt Instrument, Remaining Fee Amount, Per Month       $ 1,000
Debt Instrument, Periodic Payment, Principal $ 75,000      
Debt Instrument, Required Additional Capital To Extend Maturity $ 500,000      
Debt Instrument, Covenant Compliance, Minimum Cumulative Revenue   $ 11,000,000    
Long-term Debt, Total   $ 1,000,000 $ 1,800,000