CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash Flows from Operating Activities:
Net income (loss)	$ 559	$ (655)
Adjustments to reconcile net income to net cash used by operating activities:
Depreciation and amortization	13	41
Changes in assets and liabilities:
Trade accounts receivable	2,198	1,976
Royalty receivable	1,142	2,232
Due to affiliates	(512)
Inventory	(610)	(155)
Prepaid purchases	696	1,807
Prepaid expenses and other current assets	(1,678)	119
Deferred tax assets and liabilities	387	393
Other assets	1	(25)
Accounts payable and other current liabilities	(618)	(487)
Long term liabilities		12
Asset allowances, reserves and other	(173)	(744)
Income taxes payable	(290)	(273)
Net cash provided by operating activities	1,115	4,241
Cash Flows from Investing Activities:
Short term investment	9,886	(20,114)
Restricted cash	500
Additions to property, plant and equipment	(5)
Net cash provided (used) by investing activities	10,381	(20,114)
Cash Flows from Financing Activities:
Purchases of treasury stock	(18)
Net cash (used) by financing activities	(18)
Net increase (decrease) in cash and cash equivalents	11,478	(15,873)
Cash and cash equivalents at beginning of period	30,096	43,485
Cash and cash equivalents at end of period	41,574	27,612
Cash paid during the period for:
Interest	2	0
Income taxes	$ 1,524	$ 4