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Note 4 - Credit Facilities and Other Debt (Details Textual) ¥ in Millions, $ in Millions, $ in Millions |  |  |  |  | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 22, 2021 USD ($) | Jan. 05, 2021 USD ($) | Apr. 10, 2019 | Jan. 09, 2018 USD ($) | Dec. 31, 2021 | Jun. 30, 2021 USD ($) | Jun. 30, 2021 AUD ($) | Jun. 30, 2021 CNY (¥) | Jun. 30, 2021 MXN ($) | Mar. 22, 2021 CAD ($) | Jan. 05, 2021 CAD ($) | Oct. 31, 2017 USD ($) | Oct. 31, 2017 AUD ($)
Resource Plus Acquisition Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 2,300,000 |  |  |  |  |  |  |  |  |
Notes Payable, Total |  |  |  |  |  | $ 1,300,000 |  |  |  |  |  |  |
North Mill, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  | 5.25% | 5.25% | 5.25% | 5.25% |  |  |  |
National Australia Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  | 6.56% | 6.56% | 6.56% | 6.56% |  |  |  |
China Construction Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  | 4.25% | 4.25% | 4.25% | 4.25% |  |  |  |
China Construction Bank [Member] | SPAR China [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 4.25% | 4.25% | 4.25% | 4.25% |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | $ 156,000 |  | ¥ 1 |  |  |  |  |
Long-term Debt, Total |  |  |  |  |  | $ 156,000 |  | ¥ 1 |  |  |  |  |
People's Bank of China [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  | 3.65% | 3.65% | 3.65% | 3.65% |  |  |  |
People's Bank of China [Member] | SPAR China [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 3.65% | 3.65% | 3.65% | 3.65% |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | $ 156,000 |  | ¥ 1 |  |  |  |  |
Long-term Debt, Total |  |  |  |  |  | $ 156,000 |  | ¥ 1 |  |  |  |  |
Industrial Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  | 6.00% | 6.00% | 6.00% | 6.00% |  |  |  |
Industrial Bank [Member] | SPAR China [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 6.00% | 6.00% | 6.00% | 6.00% |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  | $ 467,000 |  | ¥ 3 |  |  |  |  |
Long-term Debt, Total |  |  |  |  |  | $ 467,000 |  | ¥ 3 |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Facility Fee for First 10.5 Million Loan Balance, Percentage | 0.80% | 1.50% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Fee Amount | $ 84,000 | $ 157,500 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, One Time Fee for Each Incremental 1 Million Increase in Loan Balance | $ 15,000 | 15,000 |  |  |  |  |  |  |  |  |  |  |
Payments for Debt Instrument Modification Fee |  | $ 7,500 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Early Termination Fee, Percentage | 0.85% |  | 1.00% |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  |  |  | 5.25% | 5.25% | 5.25% | 5.25% |  |  |  |
Line of Credit, Current |  |  |  |  |  | $ 10,000,000.0 |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate | 0.95% | 1.25% |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.25% | 6.75% |  |  |  |  |  |  |  | 5.25% | 6.75% |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | SPAR Marketing Force [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 16,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Borrowing Base Availability for Unbilled Receivables, Percentage | 70.00% |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Unbilled Cap | $ 5,500,000 | $ 4,500,000 |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | SPAR Canada Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  | $ 1.5 |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | NM Loan Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term (Month) |  |  | 18 months |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | NM Loan Agreement [Member] | SPAR Marketing Force [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 14,500,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Unbilled Cap |  | 4,500,000 |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | NM Loan Agreement [Member] | SPAR Marketing Force [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowing Base Availability for Unbilled Receivables, Percentage |  |  |  |  | 65.00% |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | NM Loan Agreement [Member] | SPAR Marketing Force [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowing Base Availability for Unbilled Receivables, Percentage |  |  |  |  |  | 70.00% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | NM Loan Agreement [Member] | SPAR Canada Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  |  | $ 1.5 |  |
Debt Instrument, Covenant, Unbilled Cap |  | $ 3,900,000 |  |  |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Fifth Third Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 3,500,000 |  |  |  |  |  |  |  |  |
Percent Of Eligible Domestic Accounts Receivable Less Certain Reserves To Calculate Borrowing Availability |  |  |  | 80.00% |  |  |  |  |  |  |  |  |
Long-term Line of Credit, Total |  |  |  |  |  | $ 0 |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  | 3.60% | 3.60% | 3.60% | 3.60% |  |  |  |
Debt Covenant, Minimum Fixed Charge Ratio |  |  |  | 1.2 |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | Fifth Third Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 2.50% |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | National Australia Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | $ 44,938 | $ 58,801 |  |  |  |  | $ 611,391 | $ 800,000
Percent Of Eligible Domestic Accounts Receivable Less Certain Reserves To Calculate Borrowing Availability |  |  |  |  |  |  |  |  |  |  |  | 80.00% | 80.00%
Revolving Credit Facility [Member] | Ve Por Mas [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | 399,000 |  |  | $ 8 |  |  |  |
Long-term Line of Credit, Total |  |  |  |  |  | $ 0 |  |  |  |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  | 7.30% | 7.30% | 7.30% | 7.30% |  |  |  |
Revolving Credit Facility [Member] | Ve Por Mas [Member] | Interbank Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 3.00% |  |  |  |  |  |  |
Revolving Credit Facility [Member] | BBVA Bancormer [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | $ 250,000 |  |  | $ 5 |  |  |  |
Long-term Line of Credit, Total |  |  |  |  |  | $ 250,000 |  |  | $ 5 |  |  |  |
Line of Credit Facility, Interest Rate at Period End |  |  |  |  |  | 9.50% | 9.50% | 9.50% | 9.50% |  |  |  |
Revolving Credit Facility [Member] | BBVA Bancormer [Member] | Interbank Interest Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  |  | 5.20% |  |  |  |  |  |  |

X
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- Definition Minimum fixed charge ratio that must be maintained to remain compliant with the debt covenants. + References No definition available. + Details
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- Definition The percentage of facility fee for first 10.5 million loan balance pursuant to the debt agreement. + References No definition available. + Details
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- Definition The amount of one time fee for each incremental 1 million increase in loan balance pursuant to the debt agreement. + References No definition available. + Details
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- Definition Percent of eligible domestic accounts receivable less certain reserves to calculate borrowing availability. + References No definition available. + Details
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- Definition Amount of the fee that accompanies borrowing money under the debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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