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Stock Options and Awards (Tables) | 12 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The following table summarizes stock-based compensation expense in the Company's consolidated statements of operations:
| Years ended
| September 30, 2018 |  | September 30, 2017
| (Amounts in thousands)
Cost of sales | $ | 5 |  |  | $ | 6 |
Engineering and development | 32 |  |  | 24 |
Selling, general and administrative | 654 |  |  | 547 |
Total | $ | 691 |  |  | $ | 577 |
Share-based Compensation, Stock Options, Activity | 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, 2016 | 23,626 |  |  | $ | 5.76 |  |  | — |  |  | — |
Granted | — |  |  | — |  |  | — |  |  | — |
Expired | (9,250 | ) |  | $ | 9.30 |  |  | — |  |  | — |
Forfeited | — |  |  | — |  |  | — |  |  | — |
Exercised | (5,000 | ) |  | 2.99 |  |  | — |  |  | — |
Outstanding at September 30, 2017 | 9,376 |  |  | $ | 4.49 |  |  | — |  |  | — |
Granted | — |  |  | — |  |  | — |  |  | — |
Expired | (1,250 | ) |  | $ | 6.82 |  |  | — |  |  | — |
Forfeited | — |  |  | — |  |  | — |  |  | — |
Exercised | (4,626 | ) |  | 4.67 |  |  | — |  |  | — |
Outstanding at September 30, 2018 | 3,500 |  |  | $ | 3.42 |  |  | 1.23 Years |  |  | $ | 34 |
Exercisable at September 30, 2018 | 3,500 |  |  | $ | 3.42 |  |  | 1.23 Years |  |  | $ | 34 |
Vested and expected to vest at September 30, 2018 | 3,500 |  |  | $ | 3.42 |  |  | 1.23 Years |  |  | $ | 34 |
Schedule of Nonvested Share Activity | 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, 2016 | 165,708 |  |  | $ | 6.38 |  |  | 2.20 Years |  |  | $ | 1,695 |
Activity in 2017: |  |  |  |  |  |  |  |  |  |  |
Granted | 94,000 |  |  | $ | 10.18 |  |  | — |  |  | — |
Vested | (71,587 | ) |  | $ | 6.59 |  |  | — |  |  | — |
Forfeited | (8,300 | ) |  | $ | 7.11 |  |  | — |  |  | — |
Nonvested shares outstanding at September 30, 2017 | 179,821 |  |  | $ | 8.64 |  |  | 2.23 Years |  |  | $ | 1,987 |
Activity in 2018: |  |  |  |  |  |  |  |  |  |  |
Granted | 72,000 |  |  | $ | 11.83 |  |  | — |  |  | — |
Vested | (80,969 | ) |  | $ | 8.18 |  |  | — |  |  | — |
Forfeited | (16,500 | ) |  | $ | 8.90 |  |  | — |  |  | — |
Nonvested shares outstanding at September 30, 2018 | 154,352 |  |  | $ | 10.34 |  |  | 2.11 Years |  |  | $ | 2,025 |
Vested at September 30, 2018 | 331,833 |  |  | $ | 6.50 |  |  | 0.24 Years |  |  | $ | 4,354 |
Vested and expected to vest at September 30, 2018 | 486,185 |  |  | $ | 7.72 |  |  | 0.83 Years |  |  | $ | 6,379 |

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