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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
May 31, 2014 | May 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net loss | $ (11,864) | $ (10,513)
Adjustments to reconcile net loss to net cash from operating activities: |  |
Depreciation | 1,716 | 2,002
Gain on sale of idle property, plant and equipment | (706) | (1,641)
Change in assets and liabilities: |  |
Restricted cash | 600 | (600)
Accrued interest receivable | 1 | 3
Accounts receivable | (7,557) | (2,273)
Inventories | (2,598) | (373)
Workers' compensation security deposit | (91) | (195)
Other current assets | (191) | 150
Accounts payable, trade | 1,464 | 379
Accrued liabilities | 2,576 | (853)
Other, net | (946) | (125)
Net cash from operating activities | (17,596) | (14,039)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Proceeds from principal payments of U.S. Treasury Bills | 32,998 | 58,988
Purchase of U.S. Treasury Bills | (28,999) | (45,993)
Proceeds from note receivable | 47 | 22
Proceeds from sale of idle property, plant and equipment | 1,941 | 819
Purchase of property, plant and equipment | (753) | (75)
Other, net | 221 | 105
Net cash from investing activities | 5,455 | 13,866
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Life insurance loan | 6,334 |
Net cash from financing activities | 6,334 |
Net decrease in cash | (5,807) | (173)
Cash at beginning of year | 11,838 | 12,011
Cash at end of year | 6,031 | 11,838
NON-CASH TRANSACTIONS: |  |
Note receivable from sale of idle property, plant and equipment |  | $ 1,700

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