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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Operating activities    
Net income (loss) from continuing operations $ 234 $ (1,446)
Net income from discontinued operations 465  
Net income (loss) 699 (1,446)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation 379 443
Amortization of intangibles 9 9
Loss on sale of fixed assets, net   14
Foreign exchange loss 488 2
Provision for losses on accounts receivable 52 42
Provision for obsolete inventory 36 430
Amortization of lease right-of-use assets 648 653
Stock-based compensation expense on stock options and restricted stock awards 981 982
Deferred income taxes 1,149 797
Increase in cash surrender value of life insurance (176) (115)
Non-cash other 97 16
Adjustment for financing activities recognized in net income - Gain on forgiveness of debt (2,196)  
Changes in operating assets and liabilities:    
(Increase) decrease in accounts receivable (5,375) 1,755
Decrease in inventories 1,263 2,105
Increase in refundable income taxes (849) (320)
Decrease (increase) in operating lease right-of-use assets 10 (2,667)
(Increase) decrease in other assets (1,993) 2,089
Decrease in investment in lease 334 367
(Increase) decrease in long-term receivable (3,880) 1,685
Increase (decrease) in accounts payable and accrued expenses 5,729 (8,030)
(Decrease) increase in operating lease liabilities (661) 2,068
Increase in deferred revenue 946 206
Decrease in pension and retirement plans liabilities (301) (305)
Decrease in income taxes payable (65) (108)
Increase (decrease) in other long-term liabilities 4,579 (428)
Net cash provided by operating activities 1,903 244
Investing activities    
Life insurance premiums paid (70) (115)
Proceeds from sales of property, equipment, and improvements 2  
Purchases of property, equipment and improvements (98) (230)
Net cash used in investing activities (166) (345)
Financing activities    
Dividends paid   (1,262)
Net payments under line-of-credit agreement (631) (886)
Proceeds from debt   4,217
Repayments on debt (332) (1,137)
Principal payments on finance leases (274) (333)
Purchase of common stock   (46)
Proceeds from issuance of shares under equity compensation plans 283 279
Net cash (used in) provided by financing activities (954) 832
Effects of exchange rate on cash (40) 434
Net increase in cash and cash equivalents 743 1,165
Cash and cash equivalents beginning of period 19,264 18,099
Cash and cash equivalents end of period 20,007 19,264
Supplementary cash flow information:    
Cash paid for income taxes 114 22
Cash paid for interest 189 277
Supplementary non-cash financing activities:    
Gain on forgiveness of debt 2,196  
Obtaining a right-of-use asset in exchange for a lease liability   216
Customer financing for inventory sold (see Note 3 Accounts and Long-Term Receivable for details) 16,014 $ 1,988
Vendor financing for inventory purchased (see Note 9 Accounts payable and accrued expenses, and Other noncurrent liabilities for details) $ 8,399