Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Subsequent Events (Details Textual)

Note 16 - Subsequent Events (Details Textual) - USD ($)		1 Months Ended					3 Months Ended				6 Months Ended		12 Months Ended
Note 16 - Subsequent Events (Details Textual) - USD ($)	May 06, 2020	Aug. 13, 2020	Jul. 31, 2020	Feb. 29, 2020	Jan. 31, 2020	Dec. 31, 2019	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Aug. 09, 2020
Stock Issued During Period, Shares, New Issues (in shares)						2,100,000
Stock Issued During Period, Value, New Issues									$ 5,166,441	$ 50,000
Proceeds from Issuance of Preferred Stock and Preference Stock											$ 700,000
Proceeds from Issuance of Common Stock					$ 812,000	$ 1,900,000					3,025,040	$ 6,046,915	$ 1,100,000
Common Stock, Share Subscribed but Unissued, Subscriptions Receivable							$ 392,000				392,000
Private Placement [Member]
Stock Issued During Period, Value, New Issues							520,030
Investor [Member]
Stock Issued During Period, Shares, New Issues (in shares)				4,000,000
Proceeds from Issuance of Common Stock				$ 3,400,000							3,000,000
Common Stock, Share Subscribed but Unissued, Subscriptions Receivable							392,000				$ 392,000
Subsequent Event [Member]
Proceeds from Issuance of Common Stock			$ 392,000
Subsequent Event [Member] \| Investor [Member]
Proceeds from Issuance of Common Stock			$ 392,000
Conversion from Series C Preferred Stock To Common Stock [Member]
Stock Issued During Period, Value, New Issues							$ 700,000
Conversion of Stock, Shares Converted (in shares)							70,000				70,000
Conversion of Stock, Shares Issued (in shares)							410,765				410,765
Conversion from Series C Preferred Stock To Common Stock [Member] \| Subsequent Event [Member]
Conversion of Stock, Shares Converted (in shares)		350,000
Conversion of Stock, Shares Issued (in shares)		1,014,311
Mastiff Group LLC [Member] \| Subsequent Event [Member] \| Private Placement [Member]
Sale of Stock, Commitment Amount														$ 25,000,000
Jubilant [Member] \| Subsequent Event [Member] \| Private Placement [Member]
Sale of Stock, Commitment Amount														1,000,000
Sale of Stock, Additional Milestone Commitment Amount														$ 19,000,000
Series C Preferred Stock [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)		350,000
Proceeds from Issuance of Preferred Stock and Preference Stock		$ 3,500,000
Series C Preferred Stock [Member] \| Keystone Capital Partners, LLC [Member]
Stock Issued During Period, Shares, New Issues (in shares)	420,000			420,000			70,000
Stock Issued During Period, Value, New Issues	$ 4,200,000			$ 4,200,000
Proceeds from Issuance of Preferred Stock and Preference Stock	$ 700,000						$ 700,000
Series C Preferred Stock [Member] \| Keystone Capital Partners, LLC [Member] \| Subsequent Event [Member]
Proceeds from Issuance of Preferred Stock and Preference Stock		$ 3,500,000