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EMPLOYEE BENEFIT PLANS: Schedule of Stock Options Outstanding, less estimated forfeitures (Details 2) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Stock options fully vested and expected to vest:
Number		220,654	223,654
Weighted average exercise price		$ 4.74	$ 4.73
Aggregate intrinsic value	[1]	$ 660,000	$ 147,000
Weighted average contractual term of options (years)		3 years 4 months 6 days	4 years 4 months 2 days
Stock options fully vested and currently exercisable:
Number		220,654	223,654
Weighted average exercise price		$ 4.74	$ 4.73
Aggregate intrinsic value	[1]	$ 660,000	$ 147,000
Weighted average contractual term of options (years)		3 years 4 months 6 days	4 years 4 months 2 days
[1] The aggregate intrinsic value of a stock option in the table above represents the total pre-tax intrinsic value (the amount by which the current market value of the underlying stock exceeds the exercise price) that would have been received by the option holders had all option holders exercised. This amount changes based on changes in the market value of the Company's stock.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of fully vested and expected to vest options that are exercisable.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average remaining contractual term for fully vested and expected to vest options that are exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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