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Audited Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
May 28, 2016
May 30, 2015
May 31, 2014
Operating activities:      
Net loss $ (6,766) $ (5,559) $ (515)
Adjustments to reconcile net loss to cash provided by (used in) operating activities:      
Depreciation and amortization 2,381 1,707 1,094
Loss (gain) on sale of investments 1 (27) (27)
Gain on disposal of assets (244) (5)  
Share-based compensation expense 548 726 759
Deferred income taxes 201 (1,604) (1,005)
Impairment of goodwill     1,671
Change in assets and liabilities, net of effect of acquired business:      
Accounts receivable (3,521) (4,495) 195
Income tax receivable 912 1,959 3,541
Inventories (5,175) (7,519) 1,517
Prepaid expenses and other assets (16) (888) 96
Accounts payable (899) 4,207 (2,072)
Accrued liabilities (1,027) 1,480 (723)
Long-term liabilities-accrued pension (465)   133
Other 486 238 (51)
Net cash (used in) provided by operating activities (13,584) (9,780) 4,613
Investing activities:      
Cash consideration paid for acquired business (12,209)   (973)
Capital expenditures (4,813) (4,737) (2,781)
Proceeds from sales of assets 402    
Proceeds from maturity of investments 27,026 33,617 342,279
Purchases of investments (2,151) (35,550) (331,023)
Proceeds from sales of available-for-sale securities 268 227 176
Purchases of available-for-sale securities (268) (227) (176)
Other (20) (248) 98
Net cash provided by (used in) investing activities 8,235 (6,918) 7,600
Financing activities:      
Repurchase of common stock (5,015) (3,945) (8,739)
Proceeds from issuance of common stock 142 324 190
Cash dividends paid (3,079) (3,260) (3,341)
Other (4) 3 37
Net cash used in financing activities (7,956) (6,878) (11,853)
Effect of exchange rate changes on cash and cash equivalents (776) (4,641) 390
Increase (decrease) in cash and cash equivalents (14,081) (28,217) 750
Cash and cash equivalents at beginning of period 74,535 102,752 102,002
Cash and cash equivalents at end of period 60,454 74,535 102,752
Cash paid during the fiscal year for:      
Interest    
Income taxes $ 715 $ 495 $ 2,094