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Note 8 - Commitments and Contingencies (Details Textual)						1 Months Ended				2 Months Ended		3 Months Ended	12 Months Ended
	Mar. 17, 2020 USD ($)	Mar. 17, 2020 USD ($)	Mar. 06, 2020 USD ($)	Jan. 01, 2020 USD ($)	Mar. 18, 2019 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 30, 2019 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
SBS Bankruptcy and Settlement [Member] | Robert G. Brown [Member]
Loss Contingency, Damages Sought, Value	$ 3,000,000	$ 1,300,000	$ 1,707,374
SBS Bankruptcy and Settlement [Member] | Robert G. Brown and William H. Bartels [Member]
Loss Contingency, Damages Sought, Value										$ 5,600,000
Litigation Settlement, Amount Awarded to Other Party	3,000,000
SBS Bankruptcy, Settlement and March 2020 Claim [Member] | Robert G. Brown [Member]
Loss Contingency, Yearly Damages Sought, Value	$ 500,000
Bartels Advancement Settlement [Member]
Loss Contingency, Damages Paid, Value									$ 106,000
Reimbursement for SMF's funding of the Affinity Security Deposits [Member]
Loss Contingency, Damages Sought, Value					$ 378,838
Reimbursement for SMF's Funding of the Field Payment Checks [Member]
Loss Contingency, Damages Sought, Value					12,963
SBS Clothier Litigation [Member]
Loss Contingency, Damages Paid, Value								$ 325,000				$ 650,000
Loss Contingency, Damages Sought, Value					$ 1,839,459
Litigation Settlement, Amount Awarded to Other Party											$ 250,000
Settlement and Other Charges														$ 1,300,000
Loss Contingency, Damages Number of Equal Annual Installments													4
Loss Contingency Accrual, Ending Balance										650,000		650,000
Settlement Agreement with SBS [Member]
Loss Contingency, Damages Sought, Value				$ 2,200,000
Litigation Settlement, Amount Awarded from Other Party				$ 174,097									$ 174,097
Settlement Agreement, Number of Monthly Installments				24
Loss Contingency, Settlement Amount in Default										$ 108,810		$ 108,810
SBS and SGRP Hogan Litigation [Member]
Loss Contingency, Damages Paid, Value						$ 50,000	$ 50,000	$ 150,000
Litigation Settlement, Amount Awarded to Other Party							618,000
Loss Contingency, Damages Number of Installments											3
Rodgers Settlement With SBS [Member]
Settlement, Periodic Payment							$ 48,000

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- Definition

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-Topic 450
-SubTopic 20
-Section 50
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