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Segment Information (Detail) - The following table presents certain operating segment information. - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Sales: |  |
Product | $ 84,675 | $ 77,835
Service | 26,807 | 25,532
Total sales | 111,482 | 103,367
Profit (loss) from operations | 3,772 | 3,801
Assets | 58,928 | 48,707
Capital Expenditures Incurred but Not yet Paid | 358 | 735
Depreciation, Depletion and Amortization, Nonproduction | 673 | 699
Systems Segment [Member] |  |
Sales: |  |
Product | 7,608 | 11,190
Service | 6,236 | 5,152
Total sales | 13,844 | 16,342
Profit (loss) from operations | 1,467 | 1,464
Assets | 17,782 | 17,717
Capital Expenditures Incurred but Not yet Paid | 99 | 227
Depreciation, Depletion and Amortization, Nonproduction | 224 | 232
Germany [Member] |  |
Sales: |  |
Product | 8,322 | 4,863
Service | 14,668 | 15,130
Total sales | 22,990 | 19,993
Profit (loss) from operations | 377 | 676
Assets | 17,055 | 13,751
Capital Expenditures Incurred but Not yet Paid | 151 | 322
Depreciation, Depletion and Amortization, Nonproduction | 188 | 158
UK [Member] |  |
Sales: |  |
Product | 10,727 | 7,066
Service | 763 | 925
Total sales | 11,490 | 7,991
Profit (loss) from operations | (30) | (363)
Assets | 6,878 | 3,748
Capital Expenditures Incurred but Not yet Paid | 0 | 97
Depreciation, Depletion and Amortization, Nonproduction | 9 | 79
US [Member] |  |
Sales: |  |
Product | 58,018 | 54,716
Service | 5,140 | 4,325
Total sales | 63,158 | 59,041
Profit (loss) from operations | 1,958 | 2,024
Assets | 17,213 | 13,491
Capital Expenditures Incurred but Not yet Paid | 108 | 89
Depreciation, Depletion and Amortization, Nonproduction | 252 | 230
Total Service And System Integration Segment [Member] |  |
Sales: |  |
Product | 77,067 | 66,645
Service | 20,571 | 20,380
Total sales | 97,638 | 87,025
Profit (loss) from operations | 2,305 | 2,337
Assets | 41,146 | 30,990
Capital Expenditures Incurred but Not yet Paid | 259 | 508
Depreciation, Depletion and Amortization, Nonproduction | $ 449 | $ 467

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