The fixed charge coverage ratio multiple achieved on an annual basis.

No definition available.

Name:	idsa_FixedChargeCoverageRatioMultipleAchieved
Namespace Prefix:	idsa_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The fixed charge coverage ratio multiple used to replace the covenant.

+ References

No definition available.

+ Details

Name:	idsa_FixedChargeCoverageRatioMultipleUsed
Namespace Prefix:	idsa_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum borrowing capacity under the credit facility based on appraised net forced liquidation value of eligible fixed assets.

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityBorrowingCapacityAppraisedNetForcedLiquidationValueOfEligibleFixedAssets
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Borrowing Capacity, Eligible Accounts Receivable

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityBorrowingCapacityEligibleAccountsReceivable
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum borrowing capacity under the credit facility based on the the appraised value of certain properties owned by the entity.

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityBorrowingCapacityEligibleFixedAssets
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Borrowing Capacity, Eligible Inventory

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityBorrowingCapacityEligibleInventory
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum borrowing capacity, as a percentage of eligible domestic accounts receivable.

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityBorrowingCapacityPercentOfEligibleDomesticAccountsReceivable
Namespace Prefix:	idsa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Borrowing Capacity, Percent of Eligible Fixed Assets

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityBorrowingCapacityPercentOfEligibleFixedAssets
Namespace Prefix:	idsa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Collateral Fees, Percent

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityCollateralFeesPercent
Namespace Prefix:	idsa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Covenant Compliance, Minimum Borrowing Capacity

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityCovenantComplianceMinimumBorrowingCapacity
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Minimum line covenant to be replaced by Fixed Charge Coverage Ratio covenant.

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityCovenantComplianceReplacedByFixedChargeCoverageRatioCovenant
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Covenant, Percent of Eligible Accounts Receivable

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityCovenantPercentOfEligibleAccountsReceivable
Namespace Prefix:	idsa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Covenant, Percent of Eligible Inventory

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditFacilityCovenantPercentOfEligibleInventory
Namespace Prefix:	idsa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit, Prepayment Fee, Greater Than Twelve Months

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditPrepaymentFeeGreaterThanTwelveMonths
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line of Credit, Prepayment Fee, Less Than Twelve Months

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditPrepaymentFeeLessThanTwelveMonths
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line of Credit, Prepayment Fee, Period to Refinance

+ References

No definition available.

+ Details

Name:	idsa_LineOfCreditPrepaymentFeePeriodToRefinance
Namespace Prefix:	idsa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Real Property Owned and Pledged as Collateral, Amount Eligible to be Sold or Refinanced

+ References

No definition available.

+ Details

Name:	idsa_RealPropertyOwnedAndPledgedAsCollateralAmountEligibleToBeSoldOrRefinanced
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Variable Rate During Period

+ References

No definition available.

+ Details

Name:	idsa_VariableRateDuringPeriod
Namespace Prefix:	idsa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of amortization expense attributable to debt issuance costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(8))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(8))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

+ Details

Name:	us-gaap_AmortizationOfFinancingCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Incremental percentage increase (decrease) in the stated rate on a debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentInterestRateIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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://www.xbrl.org/2003/role/presentationRef
-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=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount for notes payable (written promise to pay), due to related parties.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

+ Details

Name:	us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfDebtIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=idsa_Midcap2016LoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=idsa_EquipmentSublimitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_PrimeRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

LONG TERM DEBT AND NOTES PAYABLE TO BANK (MidCap) (Details)		1 Months Ended	6 Months Ended
	Feb. 29, 2016 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jul. 01, 2018 USD ($)	Jun. 04, 2018 USD ($)	Jun. 03, 2018 USD ($)	Jun. 23, 2017 USD ($)	Apr. 26, 2017 USD ($)	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Principal amount due to related party								$ 129,000.0
Loan fees paid and capitalized			$ 109,100	$ 125,000
Line of Credit Facility Borrowing Capacity Eligible Fixed Assets									$ 1,750,000
Loan amortization expense			71,000.0	$ 64,000
Line of Credit [Member] \| MidCap 2016 Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 8,000,000.0	$ 8,000,000.0			$ 10,000,000.0	$ 8,000,000.0			$ 6,000,000.0
Line of Credit Facility Borrowing Capacity Percent of Eligible Domestic Accounts Receivable		85.00%	85.00%
Eligible inventory		$ 2,500,000	$ 2,500,000
Percent of eligible inventory		75.00%	75.00%
Line of Credit Facility Borrowing Capacity Appraised Net Forced Liquidation Value Of Eligible Fixed Assets		$ 400,000	$ 400,000
Percent of eligible fixed assets			40.00%
Minimum borrowing capacity required		$ 350,000.0	$ 350,000.0
Fixed Charge Coverage Ratio, multiple used to replace the covenant			1.1
Loan fees paid and capitalized			$ 20,000.0
Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Minimum line covenant to be replaced by Fixed Charge Coverage Ratio covenant					$ 350,000.0
Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Fixed Charge Coverage Ratio, multiple achieved on an annual basis		0.011
Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Debt Instrument, Redemption, Period One [Member]
Debt Instrument [Line Items]
Prepayment fee, less than 12 months	$ 120,000.0
Line of Credit, Prepayment Fee, Period to Refinance	1 year
Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Debt Instrument, Redemption, Period Two [Member]
Debt Instrument [Line Items]
Prepayment fee, greater than 12 months	$ 60,000.0
Line of Credit, Prepayment Fee, Period to Refinance	1 year
Equipment Sublimit [Member] \| Line of Credit [Member] \| MidCap 2016 Loan [Member]
Debt Instrument [Line Items]
Eligible inventory	$ 500,000
Percent of eligible inventory accounts receivable	85.00%
Eligible accounts receivable	$ 2,500,000
Percent of eligible inventory	75.00%
Percent of eligible fixed assets	40.00%		45.00%
Amortization period for equipment sublimit (in months)	60 months
Line of Credit Facility Borrowing Capacity Eligible Fixed Assets		$ 1,750,000	$ 1,750,000
Secured Debt [Member] \| Line of Credit [Member] \| MidCap 2016 Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 6,000,000.0
Collateral-monitoring fee percent	0.275%
Annual facility fee	1.00%
Unused line fee percent	0.50%
Minimum borrowing capacity required	$ 350,000.0
Amount eligible for sale or refinance	$ 3,000,000.0
Remaining borrowing capacity		$ 1,800,000	$ 1,800,000
Secured Debt [Member] \| Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
Prime rate percent	5.00%
Interest rate increase	3.00%