The number of customers that are reflected in the stated concentration of risk.

No definition available.

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- Definition

The number of principal operations of the entity that are located near geologic fault lines.

+ References

No definition available.

+ Details

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- Definition

The number of subsidiaries owned by the entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	gsit_
Data Type:	xbrli:integerItemType
Balance Type:	na
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- Definition

The amount of revenue recognized from a change in distribution agreements.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
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-Topic 825
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-Section 50
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-Topic 275
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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- References

No definition available.

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- Definition

Indicates (true false) whether practical expedient was elected to recognize incremental cost of obtaining contract as expense when incurred if amortization period would have been one year or less.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 22
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1. THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	12 Months Ended
	Mar. 31, 2019 USD ($) subsidiary facility customer	Mar. 31, 2018 USD ($) customer	Mar. 31, 2017 USD ($) customer
Basis of consolidation and risks and uncertainties
Number of subsidiaries \| subsidiary	4
Number of principal operations near fault lines \| facility	2
Revenue from revised agreements \| $		$ 2,000,000
Allowance for doubtful accounts receivable write offs \| $	$ 0	$ 0	$ 0
Revenue, Practical Expedient, Incremental Cost of Obtaining Contract	true
Accounts receivable [Member] \| Credit Concentration Risk
Basis of consolidation and risks and uncertainties
Number of customers \| customer	3	4
Accounts receivable [Member] \| Credit Concentration Risk \| Customer One
Basis of consolidation and risks and uncertainties
Percentage attributable to customers	44.00%	26.00%
Accounts receivable [Member] \| Credit Concentration Risk \| Customer Two
Basis of consolidation and risks and uncertainties
Percentage attributable to customers	22.00%	25.00%
Accounts receivable [Member] \| Credit Concentration Risk \| Customer Three
Basis of consolidation and risks and uncertainties
Percentage attributable to customers	17.00%	21.00%
Accounts receivable [Member] \| Credit Concentration Risk \| Customer Four
Basis of consolidation and risks and uncertainties
Percentage attributable to customers		13.00%
Net revenue [Member] \| Customer Concentration Risk
Basis of consolidation and risks and uncertainties
Number of customers \| customer	4	4	4
Net revenue [Member] \| Customer Concentration Risk \| Customer One
Basis of consolidation and risks and uncertainties
Percentage attributable to customers	31.00%	35.00%	26.00%
Net revenue [Member] \| Customer Concentration Risk \| Customer Two
Basis of consolidation and risks and uncertainties
Percentage attributable to customers	22.00%	16.00%	20.00%
Net revenue [Member] \| Customer Concentration Risk \| Customer Three
Basis of consolidation and risks and uncertainties
Percentage attributable to customers	18.00%	16.00%	20.00%
Net revenue [Member] \| Customer Concentration Risk \| Customer Four
Basis of consolidation and risks and uncertainties
Percentage attributable to customers	15.00%	13.00%	10.00%