XML 42 R5.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Feb. 28, 2013
Feb. 29, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net loss $ (10,558) $ (17,654)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 1,523 1,779
Gain on sale of idle property, plant and equipment (1,411) (2,500)
Change in assets and liabilities:    
Restricted cash (600)  
Accrued interest receivable 4 3
Accounts receivable (2,515) (239)
Inventories (1,981) (450)
Other current assets (280) 849
Accounts payable, trade 264 (299)
Accrued liabilities 1,859 2,287
Other, net (71) 212
Net cash used in operating activities (13,766) (16,012)
CASH FLOWS FROM INVESTING ACTIVITIES:    
Proceeds from principal payments of U.S. Treasury Bills 48,987 53,983
Purchase of U.S. Treasury Bills (37,993) (45,989)
Proceeds from sale of idle property, plant and equipment 348 4,071
Proceeds from note receivable 11  
Purchase of property, plant and equipment (49) (493)
Other, net 109 (29)
Net cash provided by investing activities 11,413 11,543
CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid   (1,511)
Net cash used in financing activities   (1,511)
Net decrease in cash (2,353) (5,980)
Cash at beginning of period 12,011 9,727
Cash at end of period 9,658 3,747
NON-CASH TRANSACTIONS:    
Note receivable from sale of idle property, plant and equipment $ 1,689