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Note 10 - Subsequent Events	6 Months Ended
Note 10 - Subsequent Events	Jun. 30, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	Note 10. Subsequent Events On July 1, 2020, Topline Capital Partners, LP purchased 1,796,407 unregistered shares of common stock at an offering price of $1.67 per share in a private offering. The gross proceeds to the Company from the private offering were $3.0 million. On August 12, 2020, the Company issued 27,051 shares of common stock to University FanCards, LLC in a cashless exercise at $3.46 per common share in exchange for 60,000 warrants exercised.