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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Operating activities:    
Net income (loss) $ 884 $ (3,230)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 1,680 1,556
Employee stock compensation expense 19 45
Decrease in fair value of warrant liability 0 (189)
(Gain)/Loss on sale of property and equipment (5) 14
Provision for doubtful accounts 0 84
Impairment of goodwill 0 971
Changes in operating assets and liabilities:    
Accounts receivable (941) 1,639
Inventories 540 13
Income taxes payable 7 (17)
Prepaid expenses and other assets (14) (27)
Accounts payable (913) 1,122
Accrued expenses 113 (621)
Customer advances (134) (300)
Net cash provided by operating activities 1,236 1,060
Investing activities:    
Capital expenditures (347) (1,256)
Proceeds from sale of equipment 8 0
Net cash used by investing activities (339) (1,256)
Financing activities:    
Payments of long-term debt (3,721) (786)
New borrowings on long-term debt 4,500 0
Payments of debt issuance costs (214) (68)
Proceeds from exercise of stock options 71 3
Payments on revolving line of credit (11,516) (11,304)
Borrowings on revolving line of credit 10,158 12,576
Payments on capital lease obligations (127) (277)
Net cash (used) provided by financing activities (849) 144
Net increase (decrease) in cash and cash equivalents 48 (52)
Cash and cash equivalents at beginning of year 386 438
Cash and cash equivalents at end of year 434 386
Supplemental disclosure of cash flow information:    
Cash paid for interest 230 312
Supplemental disclosure of non-cash financing activities:    
Equipment financed under capital leases $ 0 $ 303