Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income	$ 25,851	$ 37,740	$ 37,283
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	2,257	2,225	2,126
Share based compensation	2,822	3,097	2,575
Deferred income taxes	(151)	125	(92)
Bad debt expense	191	85	112
(Increase) decrease in operating assets and increase (decrease) in liabilities:
Accounts receivable	(1,492)	(335)	(596)
Inventories - finished goods	3,486	1,967	(3,109)
Prepaid income taxes	582	206	(788)
Prepaid expenses and other current assets	(376)	(526)	137
Accounts payable	3,383	1,001	53
Accrued expenses and other current liabilities	1,820	(447)	337
Income taxes payable	471		(659)
Net cash provided by operating activities	38,844	45,138	37,379
Cash flows from investing activities:
Purchases of property and equipment	(2,311)	(620)	(703)
Net cash used in investing activities	(2,311)	(620)	(703)
Cash flows from financing activities:
Dividends paid	(21,803)	(21,925)	(17,470)
Repurchase and retirement of common stock	(11,497)
Net cash used in financing activities	(33,300)	(21,925)	(17,470)
Net increase in cash and cash equivalents	3,233	22,593	19,206
Cash and cash equivalents, at beginning of year	100,529	77,936	58,730
Cash and cash equivalents, at end of year	103,762	100,529	77,936
Supplemental disclosure of cash flow information:
Cash paid for income taxes	7,140	11,051	18,046
Property and equipment in current assets	1,745
Dividends payable in accrued expenses	$ 246	$ 203	$ 240