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Common Stock Incentive, Stock Purchase Plans, and Other Compensation Plans | 12 Months Ended
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Jun. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Common Stock Incentive, Stock Purchase Plans, and Other Compensation Plans | Common Stock Incentive, Stock Purchase Plans, and Other Compensation Plans 2008 Stock Incentive Plan (“2008 Plan”) The 2008 Plan was created to promote growth of the Company by aligning the long-term financial success of the Company with the employees, directors, and consultants. At the time of approval, 5,500,000 shares of Astrotech’s common stock were reserved for issuance under this plan. The 2008 Plan, administered by the Compensation Committee of the Board of Directors, provides for granting of incentive awards in the form of stock options, stock appreciation rights (“SARs”), and restricted stock to employees, directors, and consultants of the Company. As of June 30, 2017, there were 0 shares available for grant under the 2008 Plan. 2011 Stock Incentive Plan (“2011 Plan”) The 2011 Plan was designed to increase shareholder value by compensating employees over the long term. The plan is to be used to promote long-term financial success and execution of the Company’s business strategy. At the time of approval, 1,750,000 shares of Astrotech’s common stock were reserved for issuance under this plan. On June 26, 2014, an additional 2,000,000 shares of Astrotech’s common stock were approved for issuance under this plan. The 2011 Plan, administered by the Compensation Committee of the Board of Directors, provides for granting of incentive awards in the form of stock, stock options, SARs, and restricted stock to employees, directors, and consultants of the Company. As of June 30, 2017, there were 20,002 shares available for grant under the 2011 Plan. Stock Option Activity Summary The Company’s stock option activity for the years ended June 30, 2017 and 2016 was as follows:
| Shares (In thousands) |  | Weighted Average Exercise Price
Outstanding at June 30, 2015 | 1,128 |  |  | $ | 1.53 |
Granted | 170 |  |  | 1.50 |
Exercised | (16 | ) |  | 1.09 |
Canceled or expired | (324 | ) |  | 2.56 |
Outstanding at June 30, 2016 | 958 |  |  | $ | 1.18 |
Granted | 924 |  |  | 1.23 |
Exercised | (45 | ) |  | 0.39 |
Canceled or expired | (11 | ) |  | 3.01 |
Outstanding at June 30, 2017 | 1,826 |  |  | $ | 1.25 |
The aggregate intrinsic value of options exercisable at June 30, 2017 was $0.1 million as the fair value of the Company’s common stock is more than the exercise prices of these options. The aggregate intrinsic value of all options outstanding at June 30, 2017 was $0.1 million.
Range of exercise prices |  | Number Outstanding |  | Options Outstanding Weighted- Average Remaining Contractual Life (years) |  | Weighted- Average Exercise Price |  | Number Exercisable |  | Options Exercisable Weighted- Average Exercise Price
$0.32 – 0.71 |  | 387,750 |  |  | 3.36 |  | $ | 0.62 |  |  | 387,750 |  |  | $ | 0.62 |
$1.06 – 1.67 |  | 1,353,514 |  |  | 8.68 |  | 1.26 |  |  | 430,000 |  |  | 1.32 |
$3.20 – 3.20 |  | 85,000 |  |  | 7.78 |  | 3.20 |  |  | 61,336 |  |  | 3.20 |
$0.32 – 3.20 |  | 1,826,264 |  |  | 7.51 |  | $ | 1.21 |  |  | 879,086 |  |  | $ | 1.14 |
Compensation costs recognized related to vested stock option awards during the years ended June 30, 2017 and 2016 was $0.1 million and $0.3 million, respectively. At June 30, 2017, there was $0.6 million of total unrecognized compensation cost related to non-vested stock option awards, which is expected to be recognized over a weighted average period of 2.7 years. Restricted Stock The Company’s restricted stock activity for the years ended June 30, 2017 and 2016, was as follows:
| Shares (In thousands) |  | Weighted Average Grant-Date Fair Value
Outstanding at June 30, 2015 | 336 |  |  | $ | 3.16 |
Granted | 35 |  |  | 2.02 |
Vested | (112 | ) |  | 2.79 |
Canceled or expired | (104 | ) |  | 3.20 |
Outstanding at June 30, 2016 | 155 |  |  | $ | 3.14 |
Granted | 258 |  |  | 1.73 |
Vested | (75 | ) |  | 3.17 |
Canceled or expired | (58 | ) |  | 2.38 |
Outstanding at June 30, 2017 | 280 |  |  | $ | 1.99 |
Compensation costs recognized related to vested restricted stock awards during the years ended June 30, 2017 and 2016 was $1.0 million and $1.1 million, respectively. At June 30, 2017, there was $0.2 million of unrecognized compensation costs related to restricted stock, which is expected to be recognized over a weighted average period of 1.4 years. Fair Value of Stock-Based Compensation Stock-based compensation costs are generally based on the fair value calculated from the Black-Scholes model on the date of grant of stock options. The fair values of stock options are amortized as compensation expense on a straight-line basis over the vesting period of the grants. The Company recognizes forfeitures as they occur. The assumptions used for the years ended June 30, 2017 and 2016 and the resulting estimates of weighted-average fair value per share of options granted are summarized in the following table:
| Year ended June 30, 2017 |  | Year ended June 30, 2016
Expected Dividend Yield | — | % |  | — | %
Expected Volatility | 124 | % |  | 109 | %
Risk-Free Interest Rates | 2.42 | % |  | 0.65 | %
Expected Option Life (in years) | 6.61 |  |  | 8.71 |
Weighted-average grant-date fair value of options awarded | $ | 1.23 |  |  | $ | 1.18 |
• | The expected dividend yield is based on the Company’s current dividend yield and the best estimate of projected dividend yield for future periods within the expected life of the option, which is currently 0%.
• | The Company estimated volatility using the historical share price performance over the expected life. Management believes the historical estimated volatility is materially indicative of expectations about future volatility.
• | The estimate of the risk-free rate is based on the U.S. Treasury yield curve in effect at the time of grant.
• | For the years ended June 30, 2017 and June 30, 2016, the Company used the simplified method of calculating the expected life of the options.
Securities Repurchase Program On December 13, 2014, the Board of Directors amended the share repurchase program to allow for the repurchase of up to $5.0 million more treasury shares until December 31, 2015. On December 3, 2015, the Board authorized an extension of the share repurchase program through December 31, 2016. At the conclusion of the share repurchase program, the Company had repurchased 188,635 shares of common stock at a cost of $492 thousand, which represents an average cost of $2.61 per share. Shares Repurchased from Related Parties In August 2016, the Company repurchased 192,000 shares issued to the Chief Financial Officer and the Chief Operating Officer related to their tax withholding obligations at a cost of $308 thousand which represents an average price of $1.60 per share. In December 2016, the Company repurchased 601,852 shares from the Chief Executive Officer at a cost of $975 thousand, which represents an average cost of $1.62 per share.

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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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