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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Operating activities:    
Net income (loss) $ 1,810 $ (666)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 1,069 1,195
Change in fair value of warrant liability - (decrease) increase (353) 1,095
Employee stock compensation expense 67 65
Provision for doubtful accounts 1 2
Loss on sale of property and equipment 5 1
Changes in operating assets and liabilities:    
Accounts receivable (611) 361
Inventories 3 (156)
Income tax accruals 20 (25)
Prepaid expenses and other assets 146 (641)
Accounts payable (226) (166)
Accrued expenses (775) (357)
Customer advances 19 507
Net cash provided by operating activities 1,175 1,215
Investing activities:    
Capital expenditures (666) (343)
Net cash used by investing activities (666) (343)
Financing activities:    
Payments of long-term debt $ (589) (5,319)
Borrowings on long-term debt   5,500
Payments of debt issuance costs   (121)
Proceeds from exercise of stock options   1
Payments on revolving line of credit $ (5,569) (9,543)
Borrowings on revolving line of credit $ 5,367 8,128
Proceeds from Class A warrant exercises   183
Payments on capital lease obligations $ (214) (203)
Net cash used by financing activities (1,005) (1,374)
Effect of exchange rate changes 31 (66)
Net decrease in cash and cash equivalents (465) (568)
Cash and cash equivalents at beginning of period 981 1,304
Cash and cash equivalents at end of period $ 516 736
Supplemental disclosure of non-cash financing activities:    
Preferred stock dividends paid in common shares   44
Fair value of warrants exercised   854
Conversion of preferred shares to common shares   $ 150