Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Intangible Assets (Details Textual)

v3.7.0.1

Intangible Assets (Details Textual) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
Intangible Assets (Details Textual) - USD ($)	Dec. 31, 2016	Dec. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Goodwill [Line Items]
Intangible Assets, Net (Excluding Goodwill)			$ 15,624,000	$ 20,388,000
Finite-Lived Intangible Assets, Net			15,624,000	20,388,000
Intangible amortization			$ 4,764,000	5,554,000
Impairment of Intangible Assets (Excluding Goodwill)				0
Minimum [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			2 years
Maximum [Member]
Goodwill [Line Items]
Finite-Lived Intangible Asset, Useful Life			10 years
Product Technology [Member]
Goodwill [Line Items]
Finite-Lived Intangible Assets, Net			$ 3,803,000	$ 5,779,000
CNS [Member]
Goodwill [Line Items]
Impairment of Intangible Assets, Finite-lived	$ 31,000
CNS [Member] \| Customer-Related Intangible Assets [Member]
Goodwill [Line Items]
Intangible Assets, Net (Excluding Goodwill)	$ 100,000	$ 100,000
Finite-Lived Intangible Asset, Useful Life		1 year 6 months
IBW [Member]
Goodwill [Line Items]
Impairment of Intangible Assets, Finite-lived			0
ISMS [Member]
Goodwill [Line Items]
Impairment of Intangible Assets, Finite-lived			$ 0

- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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-Publisher FASB
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-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

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

+ References

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

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Paragraph 3
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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274

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