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Segment Information (Detail) - The following table presents certain operating segment information. - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Sales: |  |
Product | $ 59,661 | $ 76,353
Service | 13,255 | 12,139
Total sales | 72,916 | 88,492
Profit (loss) from operations | (1,601) | 3,395
Assets, Continuing Operations |  | 41,873
Disposal Group, Including Discontinued Operation, Assets |  | 17,055
Assets | 55,275 | 58,928
Capital Expenditures Incurred but Not yet Paid | 438 | 207
Depreciation, Depletion and Amortization, Nonproduction | 625 | 485
Systems Segment [Member] |  |
Sales: |  |
Product | 7,014 | 7,608
Service | 3,465 | 6,236
Total sales | 10,479 | 13,844
Profit (loss) from operations | (2,777) | 1,467
Assets, Continuing Operations |  | 17,782
Assets | 14,869 | 17,782
Capital Expenditures Incurred but Not yet Paid | 99 | 99
Depreciation, Depletion and Amortization, Nonproduction | 243 | 224
UK [Member] |  |
Sales: |  |
Product | 7,501 | 10,727
Service | 606 | 763
Total sales | 8,107 | 11,490
Profit (loss) from operations | (475) | (30)
Assets, Continuing Operations |  | 6,879
Assets | 13,854 | 6,879
Capital Expenditures Incurred but Not yet Paid | 1 | 0
Depreciation, Depletion and Amortization, Nonproduction | 7 | 9
US [Member] |  |
Sales: |  |
Product | 45,146 | 58,018
Service | 9,184 | 5,140
Total sales | 54,330 | 63,158
Profit (loss) from operations | 1,651 | 1,958
Assets, Continuing Operations |  | 17,212
Assets | 26,552 | 17,212
Capital Expenditures Incurred but Not yet Paid | 338 | 108
Depreciation, Depletion and Amortization, Nonproduction | 375 | 252
Total Service And System Integration Segment [Member] |  |
Sales: |  |
Product | 52,647 | 68,745
Service | 9,790 | 5,903
Total sales | 62,437 | 74,648
Profit (loss) from operations | 1,176 | 1,928
Assets, Continuing Operations |  | 24,091
Assets | 40,406 | 24,091
Capital Expenditures Incurred but Not yet Paid | 339 | 108
Depreciation, Depletion and Amortization, Nonproduction | $ 382 | $ 261

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