Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Equity (Details Textual)

Note 11 - Equity (Details Textual) - USD ($)		1 Months Ended					3 Months Ended				6 Months Ended		12 Months Ended
Note 11 - Equity (Details Textual) - USD ($)	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
Stock Issued During Period, Shares, New Issues (in shares)						2,100,000
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
Stock Issued During Period, Value, New Issues									$ 5,166,441	$ 50,000
Proceeds from Issuance of Preferred Stock and Preference Stock											$ 700,000
Stock Issued During Period, Value, Issued for Services								$ 4,801
Stock Issued During Period, Shares, Issued for Employee Bonuses (in shares)											32,651	8,128
Issuance of Stock to Defined Contribution Plan for Employer Matching Contribution											$ 39,834	$ 19,588
Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)									8,000,000	17,857
Stock Issued During Period, Value, New Issues									$ 8,000	$ 357
Stock Issued During Period, Shares, Issued for Services (in shares)								3,810
Stock Issued During Period, Value, Issued for Services								$ 4
Stock Issued During Period, Shares, Issued for Employee Bonuses (in shares)							40,844	53,315
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] \| Common Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)
Stock Issued During Period, Value, New Issues
Series C Preferred Stock [Member]
Preferred Stock, Deemed Dividend							$ 78,000				$ 78,000
Keystone Capital Partners, LLC [Member] \| Series C Preferred Stock [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
Convertible Preferred Stock, Discount to Market Rate				10.00%
Convertible Preferred Stock, Maximum Allowed Percentage of Common Stock Outstanding Used in Conversion Shares				19.99%
Convertible Preferred Stock, Share Price upon Conversion if Exchange Cap is Reached (in dollars per share)							$ 11				$ 11
Proceeds from Issuance of Preferred Stock and Preference Stock	$ 700,000						$ 700,000
Subsequent Event [Member]
Proceeds from Issuance of Common Stock			$ 392,000
Subsequent Event [Member] \| Conversion from Series C Preferred Stock To Common Stock [Member]
Conversion of Stock, Shares Converted (in shares)		350,000
Conversion of Stock, Shares Issued (in shares)		1,014,311
Subsequent Event [Member] \| Series C Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)		350,000
Proceeds from Issuance of Preferred Stock and Preference Stock		$ 3,500,000
Subsequent Event [Member] \| Keystone Capital Partners, LLC [Member] \| Series C Preferred Stock [Member]
Proceeds from Issuance of Preferred Stock and Preference Stock		$ 3,500,000
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
Litigation Settlement, Amount Awarded from Other Party				4,300,000
Litigation Settlement, Sales Price				$ 4,200,000
Investor [Member] \| Subsequent Event [Member]
Proceeds from Issuance of Common Stock			$ 392,000
Employees [Member] \| Common Stock [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)											94,159
Stock Issued During Period, Value, Issued for Services											$ 172,000
Prepaid Expenses and Other Current Assets [Member]
Common Stock, Share Subscribed but Unissued, Subscriptions Receivable						$ 812,000							$ 812,000
Stock Subscriptions and Other Receivables [Member]
Stock Subscriptions Receivable							$ 3,500,000				$ 3,500,000