Income Tax (Details)	3 Months Ended
Jun. 30, 2020
Income Tax (Textual)
Income tax holiday, description	In accordance with the Investment Encouragement Law, Jerash Garments’ export sales to overseas customers were entitled to a 100% income tax exemption for a period of 10 years commencing at the first day of production. This exemption had been extended for five years until December 31, 2018. The effect of the tax exemption on the Company’s 2019 fiscal results is a tax savings of approximately $1,623,717, or $0.14 per share. Effective January 1, 2019, Jordanian government has changed some features of Jerash Garments and its subsidiaries area to a Development Zone. In accordance with Development Zone law, Jerash Garments and its subsidiaries and VIE began paying corporate income tax in Jordan at a rate of 10% plus a 1% social contribution. Effective January 1, 2020, this rate increased to 14% plus a 1% social contribution.
Corporate income tax rate	14.00%

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 6.I.Fact.4)
-URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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Balance Type:	na
Period Type:	duration