Represents percentage of automatic increase in the amount of shares available for issuance.

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- Definition

Period of restriction of forfeiture.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
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- Definition

Unrecognized cost of unvested share-based compensation awards.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Note 8 - Restricted Stock (Details Textual) - USD ($) $ in Thousands	1 Months Ended			12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2012	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2016	Jul. 28, 2006
Percentage of Automatic Increase in Shares Available for Issuance			10.00%
Share-based Compensation, Total				$ 2,575	$ 1,935	$ 1,612
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance				193	232
2006 Employee Equity Compensation Restricted Stock Plan (the "Employee Plan") \| Restricted Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance				974,609			1,000,000
2006 Outside Director Equity Compensation Restricted Stock Plan (the "Director Plan") [Member] \| Restricted Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance			400,000	272,000			200,000
2015 Outside Director Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance		400,000		60,000
Percentage of Automatic Increase in Shares Available for Issuance		10.00%
2016 Employee Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member]
Common Stock, Capital Shares Reserved for Future Issuance	1,000,000			47,350
2016 Employee Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Minimum [Member]
Restriction Period	1 year
2016 Employee Equity Compensation Restricted Stock Plan [Member] \| Restricted Stock [Member] \| Maximum [Member]
Restriction Period	10 years
Employee and Director Equity Compensation Plan [Member] \| Non-vested Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance				192,968	232,253
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total				75,081	78,582
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total				$ 4,400	$ 3,300
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition				1 year 182 days	1 year 292 days