Segment Information (Details 2)	Mar. 31, 2020	Mar. 31, 2019
Verizon [Member]
Segment Reporting Information [Line Items]
Entity-wide Major Customer, Percent Accounts Receivable	12.50%	27.50%
AT&T [Member]
Segment Reporting Information [Line Items]
Entity-wide Major Customer, Percent Accounts Receivable	10.80%	8.00%

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.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration