Note 5 - Capitalized Software Development Costs (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Capitalized Computer Software, Period Increase (Decrease), Total	$ 600	$ 600	$ 1,900	$ 1,800
Capitalized Computer Software, Amortization	500	$ 500	1,600	1,200
Capitalized Computer Software, Net, Ending Balance	$ 3,375		3,375		$ 2,994
Capitalized Computer Software, Impairments			$ 0	$ 0
Capitalized Software Development Costs [Member]
Finite-Lived Intangible Asset, Useful Life			3 years

Amount of expense for amortization of capitalized computer software costs.

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-Topic 985
-SubTopic 20
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- Definition

Amount of impairment loss from capitalized computer software costs.

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- Definition

The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
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Amount of increase (decrease) in capitalized computer software costs.

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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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