CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities:
Net income	$ 10,259	$ 7,705
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	377	322
Share based compensation	777	753
Discontinued project costs		1,714
Deferred income taxes	4	237
Bad debt expense	227	40
(Increase) decrease in operating assets and increase (decrease) in liabilities:
Accounts receivable	81	(235)
Inventories - finished goods	664	15,192
Prepaid income taxes	(60)	(1,816)
Prepaid expenses and other current assets	(86)	119
Accounts payable	2,125	(521)
Income taxes payable	(50)
Accrued expenses and other current liabilities	(277)	80
Net cash provided by operating activities	14,041	23,590
Cash flows from investing activities:
Net change in investments	(33)	(37)
Purchases of property and equipment	(175)	(372)
Net cash used in investing activities	(208)	(409)
Cash flows from financing activities:
Dividends paid	(7,358)	(6,946)
Tax adjustment related to restricted stock	92	39
Net cash used in financing activities	(7,266)	(6,907)
Net increase in cash and cash equivalents	6,567	16,274
Cash and cash equivalents, at beginning of period	35,613	18,305
Cash and cash equivalents, at end of period	42,180	34,579
Supplemental disclosure of cash flow information:
Cash paid for income taxes	6,033	6,058
Dividends payable in accrued expenses	$ 154	$ 191