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Amount of borrowings to meet on going working capital requirements.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note, initially due after one year or beyond the operating cycle if longer, which can be exchanged for a specified amount of one or more securities (typically common stock), at the option of the issuer or the holder.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Price of the entity's common stock which would be required to be attained for the conversion feature embedded in the debt instrument to become effective.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Per share or per unit amount of equity securities issued.

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Note 9 - Notes Payable (Details Textual) - USD ($)							12 Months Ended
Note 9 - Notes Payable (Details Textual) - USD ($)	Dec. 18, 2019	Dec. 11, 2019	Jul. 09, 2019	Jul. 05, 2019	Jul. 01, 2018	Jun. 03, 2016	Dec. 31, 2020	Dec. 31, 2019	Jun. 04, 2020	Apr. 10, 2020	Jul. 05, 2018	Jul. 01, 2016	Dec. 30, 2012	Dec. 30, 2011
Stock Issued During Period, Value, Warrant Exercised								$ 250,000
Convertible Notes Payable, Total							$ 0	200,000
Payments to Acquire Businesses, Gross							9,400,000	50,001
CAD Enterprises, Inc. [Member]
Business Combination, Consideration Transferred, Total					$ 21,000,000
Payments to Acquire Businesses, Gross					$ 12,000,000
Roundball LLC [Member] \| Common Class A [Member]
Stock Issued During Period, Shares, Warrant Exercised (in shares)		100,000
Shares Issued, Price Per Share (in dollars per share)		$ 2.50
Stock Issued During Period, Value, Warrant Exercised		$ 250,000
Exercise of Conversion Option Under Promissory Note for Class B Shares [Member]
Debt Conversion, Converted Instrument, Shares Issued (in shares)	75,000
Exercise of Conversion Option Under Promissory Note for Class A Shares [Member]
Debt Conversion, Converted Instrument, Shares Issued (in shares)	251,489
Exercise of Conversion Option Under Promissory Note [Member]
Debt Conversion, Original Debt, Amount		$ 466,880
Conversion of Promissory Note 2 Due to First Francis into Class B Common Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued (in shares)			100,000
Debt Conversion, Original Debt, Amount			$ 648,000
Seller Note [Member] \| CAD Enterprises, Inc. [Member]
Debt Instrument, Interest Rate, Stated Percentage					4.00%
Seller Note [Member] \| Notes Payable [Member]
Debt Instrument, Face Amount							9,000,000	9,000,000
Paycheck Protection Program CARES Act [Member] \| Notes Payable [Member]
Debt Instrument, Face Amount										$ 3,679,383
Paycheck Protection Program CARES Act [Member] \| Notes Payable [Member] \| Federal Hose [Member]
Debt Instrument, Face Amount							253,071		$ 253,071
Paycheck Protection Program CARES Act [Member] \| Notes Payable [Member] \| CAD Enterprises, Inc. [Member]
Debt Instrument, Face Amount							1,200,766		$ 1,200,766
Roundball LLC [Member] \| Amendment No. 1 [Member] \| Warrant to Purchase Class A Common Stock [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)													100,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)													$ 2.50
First Francis [Member] \| Related Party Notes, One [Member] \| Notes Payable [Member]
Debt Instrument, Face Amount							2,000,000	2,000,000				$ 2,000,000
First Francis [Member] \| Related Party Notes, Two [Member] \| Notes Payable [Member]
Debt Instrument, Face Amount							$ 2,768,662	$ 2,768,662				$ 2,768,662
First Francis [Member] \| Related Party Notes [Member] \| Notes Payable [Member]
Debt Instrument, Interest Rate, Stated Percentage											6.25%
Line of Credit Facility, Interest Rate During Period						4.00%
Debt Instrument, Convertible Option, Maximum Debt Convertible				$ 648,000
Debt Instrument, Convertible, Stock Price Trigger (in dollars per share)				$ 6.48
Director [Member] \| Roundball LLC [Member] \| Convertible Notes Payable [Member]
Working Capital Funding														$ 467,000
Line of Credit Facility, Maximum Borrowing Capacity														$ 250,000
Debt Instrument, Interest Rate, Stated Percentage														0.25%