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Related Party Transactions (Details) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Mar. 31, 2021
Related Party Transaction [Line Items]
Revenue recognized		$ 183,000	$ (749,000)	$ 547,000
Contract liability	$ 55,013,000		55,013,000		$ 2,983,000
Motorola [Member]
Related Party Transaction [Line Items]
Revenue recognized	183,000	183,000	547,000	547,000
Purchase of equipment	0	0	0	0
Equipment Supplier [Member]
Related Party Transaction [Line Items]
Payable to related parties	120,000		120,000		120,000
Rachelle B. Chong [Member]
Related Party Transaction [Line Items]
Consulting fees	36,000	36,000	108,000	96,000
Payable to related parties	0		0		0
Brian D. McAuley [Member]
Related Party Transaction [Line Items]
Consulting fees	10,000	10,000	30,000	10,000
Payable to related parties	40,000		$ 40,000		0
TeamConnect LLC [Member]
Related Party Transaction [Line Items]
Service fee term			24 months
TeamConnect LLC [Member] | PDVConnect [Member]
Related Party Transaction [Line Items]
Contract liability	0		$ 0		$ 32,000
Recurring revenue term			48 months
Goosetown And A BEEP [Member] | PDVConnect [Member]
Related Party Transaction [Line Items]
Revenue recognized	$ 15,000	$ 176,000	$ 45,000	$ 529,000

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