Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 31,121	$ 27,100
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	1,664	1,590
Share based compensation	2,312	1,858
Deferred income taxes	11	(412)
Bad debt expense	49	72
(Increase) decrease in operating assets and increase (decrease) in liabilities:
Accounts receivable	974	21
Inventories - finished goods	(8,910)	(1,679)
Prepaid income taxes	263
Prepaid expenses and other current assets	(384)	45
Accounts payable	5,009	(2,795)
Income taxes payable		8,815
Accrued expenses and other current liabilities	(84)	530
Net cash provided by operating activities	32,025	35,145
Cash flows from investing activities:
Purchases of property and equipment	(507)	(564)
Net cash used in investing activities	(507)	(564)
Cash flows from financing activities:
Dividends paid	(16,288)	(12,314)
Net cash used in financing activities	(16,288)	(12,314)
Net increase in cash and cash equivalents	15,230	22,267
Cash and cash equivalents, at beginning of period	77,936	58,730
Cash and cash equivalents, at end of period	93,166	80,997
Supplemental disclosure of cash flow information:
Cash paid for income taxes	9,120	3,801
Dividends payable in accrued expenses	$ 258	$ 246