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Note 6 - Commitments and Contingencies (Details Textual)								1 Months Ended				2 Months Ended	12 Months Ended
	Mar. 17, 2020 USD ($)	Mar. 17, 2020 USD ($)	Mar. 06, 2020 USD ($)	Jan. 01, 2020 USD ($)	Oct. 08, 2019 USD ($)	Mar. 18, 2019 USD ($)	Sep. 19, 2018 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Apr. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
SBS Bankruptcy and Settlement [Member] | Robert G. Brown [Member]
Loss Contingency, Damages Sought, Value	$ 1,300,000	$ 3,000,000	$ 1,707,374
SBS Bankruptcy, Settlement and March 2020 Claim [Member] | Robert G. Brown [Member]
Loss Contingency, Yearly Damages Sought, Value		$ 500,000
Alleged Lost Tax Benefits and Other Expenses [Member] | SPAR InfoTech, Inc. [Member]
Loss Contingency, Damages Sought, Value							$ 190,000
Related-party Expenses Allowed by the Audit Committee							50,000
Allegedly Owed Programming Services [Member] | SPAR InfoTech, Inc. [Member]
Loss Contingency, Damages Sought, Value							$ 900,000
Alleged Lost Tax Benefits and Allegedly Owed Programming Services [Member] | SPAR InfoTech, Inc. [Member]
Litigation Settlement, Amount Awarded to Other Party					$ 275,000
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
Settlement Agreement with SBS [Member]
Loss Contingency, Damages Sought, Value				$ 2,200,000
Litigation Settlement, Amount Awarded from Other Party				$ 174,097.34										$ 174,097
Settlement Agreement, Number of Monthly Installments				24
Loss Contingency, Settlement Amount in Default													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

X

- Definition

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

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