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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:      
Net loss $ (11,802) $ (37,823) $ (31,155)
Adjustments to reconcile net loss to net cash provided by operating activities:      
Bad debt expense (858) (715) 7,440
Deferred financing cost amortization 209 338 314
Depreciation and amortization 2,146 6,356 5,291
Gain on sale of assets 44 88 (174)
Gain on sale of business unit 0 (6,657) 0
Non-cash compensation expense 838 907 1,370
Impairment of investment 688 4,854 150
Deferred income tax (39) (107) (1,244)
Changes in operating assets and liabilities      
Accounts receivable 11,130 (2,761) 17,768
Inventories (6,698) (537) (2,642)
Costs and estimated earnings in excess of billings 1,782 2,222 (995)
Prepaid expenses and other current assets (273) 1,206 1,820
Other non-current assets 211 3,092 1,463
Accounts payable and accrued expenses (10,114) 14,861 (5,708)
Billings in excess of costs and estimated earnings 5,670 2,476 (5,898)
Other non-current liabilities (305) 348 (966)
Net cash provided by (used in) operating activities (7,371) (11,852) (13,166)
CASH FLOWS FROM INVESTING ACTIVITIES:      
Purchases of property and equipment (1,877) (2,688) (924)
Proceeds from Sale of Property, Plant, and Equipment 0 1,268 328
Proceeds on sale of facilities 0 16,763 0
Distribution from unconsolidated affiliates     393
Net cash provided by (used in) investing activities (1,877) 15,343 (203)
CASH FLOWS FROM FINANCING ACTIVITIES:      
Borrowings of debt 0 0 753
Repayments of debt (264) (766) (18,184)
Payments for debt issuance costs     (278)
Changes In Restricted Cash (7,155)    
Purchase Of Treasury Stock 181 72 172
Net cash used in financing activities (7,600) (838) (17,881)
NET DECREASE IN CASH AND CASH EQUIVALENTS (16,848) 2,653 (31,250)
CASH AND CASH EQUIVALENTS, beginning of period 35,577 32,924 64,174
CASH AND CASH EQUIVALENTS, end of period 18,729 35,577 32,924
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:      
Cash paid for interest 1,646 2,293 3,899
Cash paid for income taxes 436 340 263
Assets acquired under capital lease $ 0 $ 68