Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Accrued Expenses and Other Current Liabilities (Details Textual)

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Note 3 - Accrued Expenses and Other Current Liabilities (Details Textual) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
HPI [Member]    
Accounts Payable, Related Parties, Current $ 48,000 $ 48,000