6. Prepaid Expenses and Other Current Assets (Details Narrative) - USD ($)	Mar. 31, 2019	Mar. 31, 2018
Tax prepaid to Mexican tax authorities	$ 963,000	$ 215,000
Mexican Tax Authority [Member]
Tax prepaid to Mexican tax authorities	$ 399,000

Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Name:	us-gaap_PrepaidTaxes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant