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Goodwill and Intangible Assets, Intangible Assets Subject to Amortization (Details) - USD ($)	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	9 years
Gross Carrying Value	$ 12,097,000	$ 12,933,000
Accumulated Amortization	5,704,000	4,502,000
Fully amortized intangible assets, retired	$ 470,000
Trademarks [Member]
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	9 years
Gross Carrying Value	$ 827,000	1,007,000
Accumulated Amortization	$ 435,000	464,000
Customer Relationships [Member]
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	11 years
Gross Carrying Value	$ 8,453,000	8,610,000
Accumulated Amortization	$ 4,376,000	3,547,000
Order Backlog [Member]
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	6 months
Gross Carrying Value	$ 0	325,000
Accumulated Amortization	$ 0	180,000
Developed Technology [Member]
Intangible assets subject to amortization [Abstract]
Weighted Average Amortization Period	5 years
Gross Carrying Value	$ 2,817,000	2,991,000
Accumulated Amortization	$ 893,000	$ 311,000

X

- Definition

The amount of fully amortized intangible assets that the entity retired during the period.

+ References

No definition available.

+ Details

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X

- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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X

- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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X

- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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