Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash Flows from Operating Activities:
Net income	$ 10,634	$ 15,918
Adjustments to reconcile net income to net cash (used) provided by operating activities:
Depreciation and amortization	276	502
Deferred tax benefit	1,412	4,645
Asset allowances, reserves, and other	(2,622)	(287)
Gain on sale of building	(347)
Gain on sale of investment	(828)	(966)
Changes in assets and liabilities:
Accounts receivable	(577)	10,272
Other receivables	220	(376)
Due from affiliates	(1)	185
Inventories	(755)	2,118
Prepaid expenses and other current assets	(2,324)	187
Other assets	96	(153)
Accounts payable and other current liabilities	(5,256)	(6,368)
Due to affiliates	9	(26)
Income taxes payable	(89)	22
Net cash (used) provided by operating activities	(152)	25,673
Cash Flow From Investing Activities:
Proceeds from sale of marketable securities	4,725	3,100
Restricted cash	385	(599)
Additions to property and equipment	(57)	(231)
Disposals of property and equipment	2,789
Net cash provided by investing activities	7,842	2,270
Cash Flows from Financing Activities:
Repayments of short-term borrowings	(2,448)	(3,147)
Net decrease in capital lease and other rental obligations	(78)	(51)
Borrowings under long-term credit facility		88,162
Repayments of borrowings under long-term credit facility		(88,162)
Net cash used by financing activities	(2,526)	(3,198)
Net increase in cash and cash equivalents	5,164	24,745
Cash and cash equivalents at beginning of year	39,796	15,051
Cash and cash equivalents at end of year	44,960	39,796
Supplemental disclosures of non-cash investing and financing activities:
Interest	23	103
Income taxes	$ 1,942	$ 704