Represents the initial term period of employment agreement.

No definition available.

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

- Definition

Represents the notice period to be given before expiration of the original 12-month period.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of employee under long term incentive plan.

+ References

No definition available.

+ Details

Name:	idsa_NumberOfEmployeesUnderLongTermIncentivePlan
Namespace Prefix:	idsa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares in each RSUs.

+ References

No definition available.

+ Details

Name:	idsa_NumberOfSharesInEachRestricatedStockUnit
Namespace Prefix:	idsa_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the amount paid for retention during the period.

+ References

No definition available.

+ Details

Name:	idsa_PaymentOfRetentionAmounts
Namespace Prefix:	idsa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the percentage of annual equity compensation awards to be paid on annual base salary.

+ References

No definition available.

+ Details

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

- Definition

Represent the percentage of bonus to be paid on annual base salary.

+ References

No definition available.

+ Details

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

- Definition

Represents the period after expiration of the initial term, the term will be automatically extended.

+ References

No definition available.

+ Details

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

- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grant Date Fair Value

+ References

No definition available.

+ Details

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

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.15(a))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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

- Definition

Expenditures for salaries of officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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

- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
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_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of vesting of share-based compensation awards.

+ References

+ Details

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

- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

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

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_ChiefFinancialOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=idsa_PresidentAndChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=idsa_StaffMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TitleOfIndividualAxis=us-gaap_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=idsa_ShareBasedCompensationAwardTrancheFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=idsa_ShareBasedCompensationAwardTrancheFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SHARE-BASED COMPENSATION AND OTHER COMPENSATION AGREEMENTS (Details)					1 Months Ended	3 Months Ended
	Mar. 28, 2018 USD ($) item $ / shares shares	Mar. 26, 2018 USD ($)	Jun. 15, 2016 shares	Mar. 29, 2016 USD ($) shares	Jan. 31, 2015 shares	Mar. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payment of retention amounts \| $						$ 135,900
Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in Shares)			170,000.0		20,000.0
President/CFO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrued bonuses included in payable to related party \| $							$ 125,000.0	$ 100,000.0
Staff [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of bonus to be paid on annual base salary							25.00%
CEO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of bonus to be paid on annual base salary		50.00%
Initial term of employment agreement		1 year
Period of initial term automatically extended		12 months
Notice period to terminate employment agreement		30 days
Annual base salary \| $		$ 300,000
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options (in Shares)						31,000
Stock Option [Member] \| CEO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options (in Shares)	31,000.0
Exercise price (USD per Share) \| $ / shares	$ 2.46
Vesting period	3 years	3 years
Percentage of annual equity compensation awards to be paid on annual base salary		16.67%
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in Shares)	18,000.0			11,400		58,600
Number of Employees Under Long Term Incentive Plan \| item	6
Grant date fair value \| $	$ 44,300			$ 32,000.0
Award vesting						11,400
Number of shares in each RSU	1			1
Restricted Stock Units (RSUs) [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in Shares)					90,000.0
Award vesting						67,500
Number of shares in each RSU						1
Restricted Stock Units (RSUs) [Member] \| CEO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		3 years
Awards granted (in Shares)	40,600
Grant date fair value \| $	$ 100,000.0
Number of shares in each RSU	1
Percentage of annual equity compensation awards to be paid on annual base salary		33.33%
Expiration period		36 months
Share options vested and became exercisable, tranche one [Member] \| Stock Option [Member] \| CEO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage		33.33333%				33.33333%
Share options vested and became exercisable, tranche one [Member] \| Restricted Stock Units (RSUs) [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage						50.00%
Award vesting						45,000
Share options vested and became exercisable, tranche two [Member] \| Stock Option [Member] \| CEO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage						33.33333%
Share options vested and became exercisable, tranche two [Member] \| Restricted Stock Units (RSUs) [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage						12.50%
Award vesting						11,250
Share options vested and became exercisable, tranche three [Member] \| Stock Option [Member] \| CEO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage						33.33333%
Share options vested and became exercisable, tranche three [Member] \| Restricted Stock Units (RSUs) [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage						12.50%
Award vesting						11,250
Share options vested and became exercisable, tranche four [Member] \| Restricted Stock Units (RSUs) [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage						12.50%
Award vesting						11,250
Share-based Compensation Award, Tranche Five [Member] \| Restricted Stock Units (RSUs) [Member] \| Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage						12.50%
Award vesting						11,250