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Changes in Stockholders' Equity and Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Gain	Total
Beginning balance at Mar. 31, 2013		$ 63,987	$ (2)	$ 64,014
Changes In Stockholders Equity and Comprehensive Income [Line Items]
Share based compensation	362
Dividends declared		(3,016)
Net income		4,755		4,755
Net change in unrealized loss on short term investments			(46)
Ending balance at Jun. 30, 2013	$ 362	$ 65,726	$ (48)	$ 66,069

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This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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The change in unrealized holding gain (loss), net of tax, on available-for-sale securities included in a separate component of shareholders' equity during the period.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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