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Stock Options and Awards (Tables) | 12 Months Ended
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Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] | The following table summarizes stock-based compensation expense in the Company's consolidated statements of operations:
| Year ended
| September 30, 2016 |  | September 30, 2015
| (Amounts in thousands)
Cost of sales | $ | 2 |  |  | $ | 2 |
Engineering and development | 6 |  |  | 22 |
Selling, general and administrative | 406 |  |  | 351 |
Total | $ | 414 |  |  | $ | 375 |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | The following tables provide summary data of stock option award activity:
| Number of Shares |  | Weighted average exercise price |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value (in thousands)
Outstanding at September 30, 2014 | 92,126 |  |  | $ | 7.66 |  |  | — |  |  | — |
Granted | — |  |  | — |  |  | — |  |  | — |
Expired | (35,125 | ) |  | $ | 9.72 |  |  | — |  |  | — |
Forfeited | — |  |  | — |  |  | — |  |  | — |
Exercised | (1,875 | ) |  | 5.26 |  |  | — |  |  | — |
Outstanding at September 30, 2015 | 55,126 |  |  | $ | 6.43 |  |  | — |  |  | — |
Granted | — |  |  | — |  |  | — |  |  | — |
Expired | (17,500 | ) |  | $ | 6.61 |  |  | — |  |  | — |
Forfeited | — |  |  | — |  |  | — |  |  | — |
Exercised | (14,000 | ) |  | 6.20 |  |  | — |  |  | — |
Outstanding at September 30, 2016 | 23,626 |  |  | $ | 5.76 |  |  | 1.53 Years |  |  | $ | 106 |
Exercisable at September 30, 2016 | 23,626 |  |  | $ | 5.76 |  |  | 1.53 Years |  |  | $ | 106 |
Vested and expected to vest at September 30, 2016 | 23,626 |  |  | $ | 5.76 |  |  | 1.53 Years |  |  | $ | 106 |
Schedule of Nonvested Share Activity [Table Text Block] | The following table provides summary data of nonvested stock award activity:
| Number of nonvested shares |  | Weighted Average grant date Fair Value |  | Weighted Average Remaining Contractual Term |  | Aggregate Intrinsic Value (in thousands)
Nonvested shares outstanding at September 30, 2014 | 149,375 |  |  | $ | 6.92 |  |  | 2.45 years |  |  | $ | 1,191 |
Activity in 2015: |  |  |  |  |  |  |  |  |  |  |
Granted | 57,500 |  |  | $ | 5.05 |  |  | — |  |  | — |
Vested | (58,296 | ) |  | $ | 6.82 |  |  | — |  |  | — |
Forfeited | (18,122 | ) |  | 7.38 |  |  | — |  |  | — |
Nonvested shares outstanding at September 30, 2015 | 130,457 |  |  | $ | 6.08 |  |  | 2.12 Years |  |  | $ | 714 |
Activity in 2016: |  |  |  |  |  |  |  |  |  |  |
Granted | 105,395 |  |  | $ | 6.47 |  |  | — |  |  | — |
Vested | (48,444 | ) |  | $ | 6.33 |  |  | — |  |  | — |
Forfeited | (21,700 | ) |  | 7.38 |  |  | — |  |  | — |
Nonvested shares outstanding at September 30, 2016 | 165,708 |  |  | $ | 6.38 |  |  | 2.20 Years |  |  | $ | 1,695 |
Vested at September 30, 2016 | 179,277 |  |  | $ | 5.57 |  |  | 0.36 Years |  |  | $ | 1,834 |
Vested and expected to vest at September 30, 2016 | 344,985 |  |  | $ | 5.96 |  |  | 1.24 Years |  |  | $ | 3,529 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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