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

No definition available.

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Namespace Prefix:	idsa_
Data Type:	xbrli:pureItemType
Balance Type:	na
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- Definition

Line of Credit Facility, Covenant, Percent of Eligible Inventory

+ References

No definition available.

+ Details

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

- 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

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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

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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

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, 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

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

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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

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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 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=66902209&loc=d3e3291-108585

+ Details

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

- Details

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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
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Data Type:	na
Balance Type:
Period Type:

- Details

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Balance Type:
Period Type:

- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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

- Details

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Namespace Prefix:
Data Type:	na
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- Details

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LONG TERM DEBT AND NOTES PAYABLE TO BANK MidCap (Details) - USD ($)			12 Months Ended
	Mar. 31, 2017	Feb. 29, 2016	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
Payments of underwriting fees			$ 241,000	$ 0
Line of Credit [Member] \| MidCap 2016 Loan [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity			6,000,000.0
Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 8,000,000.0
Line of Credit Facility Borrowing Capacity Percent of Eligible Domestic Accounts Receivable	85.00%
Eligible inventory	$ 2,500,000
Percent of eligible inventory	75.00%
Line of Credit Facility Borrowing Capacity Appraised Net Forced Liquidation Value Of Eligible Fixed Assets	$ 400,000
Percent of eligible fixed assets	40.00%
Minimum borrowing capacity required	$ 350,000.0
Fixed Charge Coverage Ratio Multiple Used	1.1
Payments of underwriting fees	$ 20,000.0
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]
Line of Credit, Prepayment Fee, Period to Refinance		1 year
Prepayment fee, greater than 12 months		$ 60,000.0
Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Debt Instrument, Redemption, Period Three [Member]
Debt Instrument [Line Items]
Line of Credit, Prepayment Fee, Period to Refinance		18 months
Prepayment fee, greater than 12 months		$ 60,000.0
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			$ 1,300,000
Secured Debt [Member] \| Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Prime Rate [Member]
Debt Instrument [Line Items]
Prime rate percent		3.75%
Basis spread on variable rate		2.50%
Interest rate increase		3.00%
Equipment Sublimit [Member] \| Line of Credit [Member] \| MidCap 2016 Loan [Member]
Debt Instrument [Line Items]
Eligible inventory		$ 500,000
Percent of eligible inventory		75.00%
Percent of eligible fixed assets		40.00%
Percentage of eligible accounts receivable		85.00%
Eligible accounts receivable		$ 2,500,000
Amortization period for equipment sublimit (in months)		60 months
Equipment Sublimit [Member] \| Line of Credit [Member] \| MidCap 2016 Loan [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Percent of eligible fixed assets	45.00%
Line of Credit Facility Borrowing Capacity Eligible Fixed Assets	$ 1,750,000