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Stock Options and Awards | 12 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock Options and Awards | Stock Based Incentive Compensation In 1997, the Company adopted the 1997 Stock Option Plan (the "1997 Plan"), and authorized 199,650 shares of common stock to be reserved for issuance pursuant to the 1997 Plan. The 1997 plan expired in 2007. Because the 1997 Plan has expired, no further awards will be issued under this plan. In 2003, the Company adopted the 2003 Stock Incentive Plan (the "2003 Plan") and authorized 200,000 shares of common stock to be reserved for issuance pursuant to the 2003 Plan. The 2003 plan expired in 2013. Because the 2003 Plan has expired, no further awards will be issued under this plan. In 2007, the Company adopted the 2007 Stock Incentive Plan (the "2007 Plan") and authorized 250,000 shares of common stock to be reserved for issuance pursuant to the 2007 Plan. The 2007 plan expired in 2017. Because the 2007 Plan has expired, no further awards will be issued under this plan. In 2015, the Company adopted the 2015 Stock Incentive Plan (the "2015 Plan") and authorized 300,000 shares of common stock to be reserved for issuance pursuant to the 2015 Plan. As of September 30, 2018, there were 125,965 shares available to be granted under the 2015 Plan. Under all of the stock incentive plans, both incentive stock options and non-qualified stock options may be granted to officers, key employees and other persons providing services to the Company. The 2003 Plan and 2007 Plan also provide for awards of nonvested shares of common stock. All of the Company's stock incentive plans have a ten year life. The total number of available shares under all plans for future awards was 125,965 as of September 30, 2018. Awards issued under any of the stock option plans are not affected by termination of the plan. The Company issues stock options at their fair market value on the date of grant. Vesting of stock options granted pursuant to the Company's stock incentive plans is determined by the Company's compensation committee. Generally, options granted to employees vest over four years and expire ten years from the date of grant. Options granted to non-employee directors have historically included cliff vesting after six months from the date of grant and expire three years from the date of grant. In fiscal years 2016 through 2018, the Company granted certain officers including its Chief Executive Officer and non-employee directors, and key employees shares of nonvested common stock instead of stock options. The vesting periods for the officers', the Chief Executive Officer's and the non-employee directors' nonvested stock awards are four years, three years and one year, respectively. The vesting period for the key employees' awards is four years. We measure and recognize compensation expense for all stock-based payment awards made to employees and directors including employee stock options and awards of nonvested stock based on estimated fair values, as described in Note 1. Stock-based compensation expense incurred and recognized for the years ended September 30, 2018 and 2017 related to stock options and nonvested stock granted to employees and non-employee directors under the Company's stock incentive and employee stock purchase plans totaled approximately $691 thousand and $577 thousand, respectively. The classification of the cost of stock-based compensation, in the consolidated statements of operations, is consistent with the nature of the services being rendered in exchange for the share based payment. 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 |
For the year ended September 30, 2018, the Company granted 12,000 nonvested shares to certain key employees, 40,000 nonvested shares to certain officers including 30,000 shares granted to the Chief Executive Officer, and 20,000 nonvested shares to its non-employee directors. For the year ended September 30, 2017, the Company granted 34,000 nonvested shares to certain key employees, 40,000 nonvested shares to certain officers including 30,000 to its Chief Executive Officer and 20,000 nonvested shares to its non-employee directors. The Company measures the fair value of nonvested stock awards based upon the market price of its common stock as of the date of grant. The Company used the Black-Scholes option-pricing model to value stock options. The Black-Scholes model requires the use of a number of assumptions including volatility of the Company's stock price, the weighted average risk-free interest rate and the weighted average expected life of the options, at the time of grant. The expected dividend yield is equal to the divided per share declared, divided by the closing share price on the date the options were granted. All equity compensation awards granted for the years ended September 30, 2018 and September 30, 2017 were nonvested stock awards. As stock-based compensation expense recognized in the consolidated statements of operations is based on awards ultimately expected to vest, expense for grants beginning upon adoption on October 1, 2005 has been reduced for estimated forfeitures. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. The forfeiture rates for the years ended September 30, 2018 and 2017 were based on actual forfeitures. No cash was used to settle equity instruments granted under share-base payment arrangements in any of the years in the two-year period ended September 30, 2018. 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 |
There were no stock options granted in the years ended September 30, 2018 and 2017. The aggregate intrinsic value of stock options exercised during the years ended September 30, 2018 and 2017 was $33 thousand and $38 thousand, respectively. 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 |
As of September 30, 2018, there was $1.1 million of total unrecognized compensation cost related to nonvested stock-based compensation arrangements (including stock option and nonvested stock awards) granted under the Company's stock incentive plans. This cost is expected to be expensed over a weighted average period of approximately 2.41 years. The total fair value of shares vested during the years ended September 30, 2018 and 2017 was $662 thousand and $472 thousand, respectively.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -URI http://asc.fasb.org/subtopic&trid=2208855 + Details
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