XML 71 R5.htm IDEA: XBRL DOCUMENT v2.4.0.8
Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
May 31, 2013
May 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (10,513) $ (19,365)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 2,002 2,359
Gain on sale of idle property, plant and equipment (1,641) (3,184)
Change in assets and liabilities:    
Restricted cash (600)  
Accrued interest receivable 3 5
Accounts receivable (2,273) 278
Inventories (373) 361
Workers' compensation security deposit (195) 615
Other current assets 150 (55)
Accounts payable, trade 379 (96)
Accrued liabilities (853) 61
Other, net (125) 424
Net cash used in operating activities (14,039) (18,597)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Proceeds from principal payments of U.S. Treasury Bills 58,988 67,979
Purchase of U.S. Treasury Bills (45,993) (49,988)
Proceeds from sale of idle property, plant and equipment 819 5,054
Proceeds from note receivable 22  
Purchase of property, plant and equipment (75) (614)
Other, net 105 (40)
Net cash provided by investing activities 13,866 22,391
CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid   (1,510)
Net cash used in financing activities   (1,510)
Net (decrease) increase in cash (173) 2,284
Cash at beginning of year 12,011 9,727
Cash at end of year 11,838 12,011
NON-CASH TRANSACTIONS:    
Note receivable from sale of idle property, plant and equipment $ 1,700