Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Nov. 27, 2011	Nov. 28, 2010
Consolidated net income	$ 5,391	$ 4,585
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	2,729	2,602
Stock-based compensation expense	885	962
Tax benefit from stock-based compensation expense	(3,378)	(1,585)
Increase in receivable from Monsanto for guaranteed termination fee	(400)	(400)
Deferred taxes	(463)	737
Change in investment in non-public company (fair market value)	(1,174)
Accounts receivable, net	(7,407)	(6,033)
Accounts receivable, related party	139	268
Income taxes receivable	3,554	1,682
Inventories, net	(14)	(3,637)
Issuance of notes and advances receivable	(1,586)	(1,565)
Collection of notes and advances receivable	240	637
Prepaid expenses and other current assets	652	1,530
Accounts payable	2,140	4,574
Related party accounts payable	32	(227)
Accrued compensation	304	104
Other accrued liabilities	(84)	(16)
Deferred revenue	(2,302)	(2,150)
Net cash (used in) provided by operating activities	(742)	2,068
Purchases of property and equipment	(3,042)	(3,450)
Purchase of marketable securities	(19,066)	(41,784)
Proceeds from maturities and sales of marketable securities	22,954	22,612
Net cash provided by (used in) investing activities	846	(22,622)
Repurchase of outstanding common stock	(4,805)	(1,184)
Taxes paid by Company for stock swaps and RSUs	(24)	(49)
Proceeds from sale of common stock	91	109
Tax benefit from stock-based compensation expense	3,378	1,585
Principal payments on long-term debt	(2,330)	(1,940)
(Increase) decrease in other assets	(57)	24
Payments to minority interest holders	(257)	(361)
Net cash used in financing activities	(4,004)	(1,816)
Net decrease in cash and cash equivalents	(3,900)	(22,370)
Cash and cash equivalents at beginning of period	8,135	27,817
Cash and cash equivalents at end of period	4,235	5,447
Income tax expense not payable	3,378	1,585
Long-term receivable from Monsanto for guaranteed termination fee	400	400
Unrealized gain (loss) from interest rate swap	$ 32	$ (152)