CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 17,972	$ 17,165	$ 16,659
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	867	1,091	1,411
Share based compensation	1,479	1,943	2,246
Deferred income taxes	(183)	(76)	(56)
Bad debt expense	95	56	47
(Increase) decrease in operating assets and increase (decrease) in liabilities:
Accounts receivable	(417)	77	366
Inventories - finished goods	(4,126)	(5,384)	(1,077)
Prepaid income taxes	(54)	199	465
Prepaid expenses and other current assets	(1,237)	(1,279)	(205)
Accounts payable	(686)	(165)	297
Accrued expenses and other current liabilities	(42)	(499)	238
Income taxes payable	(162)	162
Net cash provided by operating activities	13,506	13,290	20,391
Cash flows from investing activities:
Net change in investments	(84)	(5,189)	12,344
Purchases of property and equipment	(45)	(626)	(705)
Net cash provided by (used in) investing activities	(129)	(5,815)	11,639
Cash flows from financing activities:
Dividends paid	(13,326)	(31,972)	(10,964)
Purchases of treasury stock		(3,865)	(23,685)
Tax adjustment related to stock compensation	99	(284)	(240)
Net cash used in financing activities	(13,227)	(36,121)	(34,889)
Net increase (decrease) in cash and cash equivalents	150	(28,646)	(2,859)
Cash and cash equivalents, at beginning of year	18,155	46,801	49,660
Cash and cash equivalents, at end of year	18,305	18,155	46,801
Supplemental disclosure of cash flow information:
Cash paid for income taxes	10,727	10,140	9,543
Retirement of treasury stock		3,865	23,685
Dividends payable in accrued expenses	$ 262	$ 276	$ 168