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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Cash flows from operating activities:    
Net income $ 369 $ 914
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 370 399
Amortization of intangibles 113 113
Loss on disposal of property, net 4 12
Foreign exchange loss 16 1
Non-cash changes in accounts receivable 16 (8)
Deferred income taxes 179 (360)
Increase in cash surrender value of life insurance (86) (104)
Stock based compensation expense 169 223
Changes in operating assets and liabilities:    
Decrease (increase) in accounts receivable (1,150) (4,914)
Decrease (increase) in inventories (938) 58
Decrease (increase) in refundable income taxes 497 405
Decrease (increase) in other current assets (189) 235
Decrease (increase) in other assets 56 (45)
Increase (decrease) in accounts payable and accrued expenses 2,199 (183)
Increase (decrease) in deferred revenue (103) 1,108
Increase (decrease) in pension and retirement plans (7) 230
Increase (decrease) in income taxes payable (258) 350
Increase (decrease) in other liabilities 286 (365)
Net cash provided by (used in) operating activities 1,543 (1,931)
Cash flows from investing activities:    
Purchases of investments   (1,100)
Sale of investments   1,100
Life insurance premiums paid (143) (124)
Purchases of property, equipment and improvements (339) (483)
Net cash used in investing activities (482) (607)
Cash flows from financing activities:    
Proceeds from issuance of shares under employee stock purchase plan 74 114
Purchase of common stock (645) (383)
Capital lease obligations (25)  
Net cash used in financing activities (596) (269)
Effects of exchange rate on cash (122) (566)
Net increase (decrease) in cash and cash equivalents 343 (3,373)
Cash and cash equivalents, beginning of year 15,531 18,904
Cash and cash equivalents, end of year 15,874 15,531
Supplementary cash flow information:    
Cash paid for income taxes (220) (535)
Cash paid for interest $ (85) $ (89)