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Consolidated Statements of Operations (USD $)
In Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sales:    
Product $ 54,734 $ 69,634
Services 18,911 20,478
Total sales 73,645 90,112
Cost of sales:    
Product 44,810 59,461
Services 12,466 13,460
Total cost of sales 57,276 72,921
Gross profit 16,369 17,191
Operating expenses:    
Engineering and development 1,785 1,953
Selling, general and administrative 13,775 14,096
Total operating expenses 15,560 16,049
Operating income 809 1,142
Other income (expense):    
Interest income 44 61
Interest expense (86) (90)
Foreign exchange loss (16) (1)
Other income (expense), net (36) 37
Total other income (expense), net (94) 7
Income before income tax 715 1,149
Income tax expense 346 235
Net income 369 914
Net income attributable to common stockholders $ 363 $ 905
Net income per share-basic (in Dollars per share) $ 0.11 $ 0.26
Weighted average shares outstanding-basic (in Shares) 3,439 3,538
Net income per share-diluted (in Dollars per share) $ 0.10 $ 0.25
Weighted average shares outstanding-diluted (in Shares) 3,482 3,567