CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income	$ 7,986	$ 8,767
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	577	687
Share based compensation	1,039	1,127
Deferred income taxes	113	114
Bad debt expense	27	25
(Increase) decrease in operating assets and increase (decrease) in liabilities:
Accounts receivable	(343)	527
Inventories - finished goods	6,627	6,026
Prepaid income taxes	(150)	(26)
Prepaid expenses and other current assets	194	(923)
Accounts payable	337	86
Accrued expenses and other current liabilities	(673)	(215)
Net cash provided by operating activities	15,734	16,195
Cash flows from investing activities:
Net change in investments	(5,053)	9,693
Purchases of property and equipment	(291)	(293)
Net cash (used in) provided by investing activities	(5,344)	9,400
Cash flows from financing activities:
Dividends paid	(6,117)	(5,404)
Purchases of treasury stock	(3,865)	(22,642)
Tax adjustment related to restricted stock	(168)	(71)
Net cash used in financing activities	(10,150)	(28,117)
Net increase (decrease) in cash and cash equivalents	240	(2,522)
Cash and cash equivalents, at beginning of period	46,801	49,660
Cash and cash equivalents, at end of period	47,041	47,138
Supplemental disclosure of cash flow information:
Cash paid for income taxes	4,872	5,083
Dividends payable in accrued expenses	$ 136	$ 135