Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Feb. 28, 2016		Mar. 01, 2015
Cash flows from operating activities:
Consolidated net (loss) income	$ (16,251)		$ 9,474
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	6,486		5,177
Stock-based compensation expense	2,581		1,139
Tax benefit from stock-based compensation expense	$ (133)		(277)
Impairment of non-public company, non-fair value investment			793
Deferred taxes	$ (10,560)		4,313
Change in investment in non-public company, fair value	(1,000)		(3,500)
Net gain on disposal of property and equipment	(20)		$ (53)
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)	34,000
Changes in current assets and current liabilities:
Accounts receivable, net	3,555		$ (585)
Taxes receivable	(280)		1,000
Inventories, net	(2,135)		73
Issuance of notes and advances receivable	(635)		(4,742)
Collection of notes and advances receivable	482		4,727
Prepaid expenses and other current assets	419		(441)
Accounts payable	(9,918)		$ (3,803)
Income taxes payable	(1,150)
Accrued compensation	(2,536)		$ 648
Restricted cash for workers’ compensation collateral	(225)
Other accrued liabilities	3,308		$ (415)
Deferred revenue	309		(152)
Net cash provided by operating activities	6,297		13,376
Cash flows from investing activities:
Purchases of property and equipment	(26,159)		$ (10,202)
Deposit on capital lease	(850)
Proceeds from sale of fixed assets	$ 127		$ 922
Investment in non-public company, fair value			(18,000)
Net cash used in investing activities	$ (26,882)		(27,280)
Cash flows from financing activities:
Proceeds from sale of common stock	282		110
Tax benefit from stock-based compensation expense	133		277
Proceeds from long-term debt	26,748		11,194
Payments on long-term debt and capital lease obligations	(12,150)		(5,074)
Proceeds from lines of credit	19,500		30,417
Payments on lines of credit	(19,500)		(21,117)
Change in other assets	(93)		(255)
Payments to non-controlling interest holders	(248)		(196)
Net cash provided by financing activities	14,672		15,356
Net (decrease) increase in cash and cash equivalents	(5,913)		1,452
Cash and cash equivalents at beginning of period	14,127	[1]	14,243
Cash and cash equivalents at end of period	8,214		$ 15,695
Supplemental disclosures of noncash investing and financing activities:
Facility acquired under a capital lease	$ 3,775

[1] Derived from audited financial statements.