Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Cash flows from operating activities:    
Net loss $ (8,255) $ (3,650)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 3,752 3,924
Impairment loss 150 1,099
Accrued interest on accelerated put option 990 996
Foreign currency transaction loss (gain) 409 (181)
Stock based compensation 44 59
Changes in current assets and liabilities:    
Trade accounts receivable 7,366 9,480
Trade accounts receivable from related parties 1,527 (3,570)
Other receivables (141) (2)
Inventories 29 (142)
Inventories held for sale 40 28
Prepaid taxes (809) (1,341)
Advances paid (1,238) 207
Deferred tax assets 347 (392)
Prepaid expenses and other current assets 272 325
Long-term prepaid taxes 6 (11)
Long-term other receivables, net of current portion 29 0
Accounts payable (2,093) (992)
Accounts payable to related parties (15) (515)
Accrued expenses 1,877 2,275
Taxes payable (1,394) 741
Deferred revenue (581) (1,495)
Long-term deferred revenue from related parties (75) 0
Long-term deferred income tax liability (67) 191
Net cash provided by operating activities 2,170 7,034
Cash flows from investing activities:    
Investment in securities 0 (14)
Payments to purchase vessels, equipment and property (317) (925)
Net cash used in investing activities (317) (939)
Cash flows from financing activities:    
Payments on long-term debt (2,000) (734)
Net cash used in financing activities (2,000) (734)
Effect of exchange rate changes on cash (462) 299
Net change in cash (609) 5,660
Cash at beginning of period 6,136 5,707
Cash at end of period 5,527 11,367
Supplemental disclosure of cash flow information:    
Cash paid for interest 0 734
Cash paid for income tax $ 449 $ 1,186