Stock Based Compensation	6 Months Ended
Jun. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock Based Compensation	10. Stock Based Compensation The Mechanical Technology, Incorporated 2014 Equity Incentive Plan (the 2014 Plan) was adopted by the Company’s Board of Directors on March 12, 2014 and approved by its stockholders on June 11, 2014. The 2014 Plan provides an initial aggregate number of 500,000 shares of common stock that may be awarded or issued. The number of shares that may be awarded under the 2014 Plan and awards outstanding may be subject to adjustment on account of any stock dividend, spin-off, stock split, reverse stock split, split-up, recapitalization, reclassification, reorganization, combination or exchange of shares, merger, consolidation, liquidation, business combination, exchange of shares or the like. Under the 2014 Plan, the Board appointed administrator of the 2014 Plan is authorized to issue stock options (incentive and nonqualified), stock appreciation rights, restricted stock, restricted stock units, phantom stock, performance awards and other stock-based awards to employees, officers and directors of, and other individuals providing bona fide services to or for, the Company or any affiliate of the Company. Incentive stock options may only be granted to employees of the Company and its subsidiaries. The Mechanical Technology, Incorporated 2012 Equity Incentive Plan (the 2012 Plan) was adopted by the Company’s Board of Directors on April 14, 2012 and approved by stockholders on June 14, 2012. The 2012 Plan provides an initial aggregate number of 600,000 shares of common stock which may be awarded or issued. The number of shares which may be awarded under the 2012 Plan and awards outstanding can be subject to adjustment on account of any recapitalization, reclassification, stock split, reverse stock split and other dilutive changes in Common Stock. Under the 2012 Plan, the Board of Directors is authorized to issue stock options (incentive and nonqualified), stock appreciation rights, restricted stock, restricted stock units and other stock-based awards to employees, officers, directors, consultants and advisors of the Company and its subsidiaries. Incentive stock options may only be granted to employees of the Company and its subsidiaries. During 2015, the Company granted 140,000 options to purchase the Company’s common stock from the 2014 Plan, which generally vest 25% on each of the first four anniversaries of the date of the award. The exercise price of these grants was $1.20 per share and was based on the closing market price of the Company’s common stock on the dates of grant. Using a Black-Scholes Option Pricing Model, the weighted average fair value of these options was $1.14 per share and was estimated at the date of grant. During 2014, the Company granted 140,000 options to purchase the Company’s common stock from the 2012 Plan, which generally vest 25% on each of the first four anniversaries of the date of the award. The exercise price of these grants was $1.08 per share and was based on the closing market price of the Company’s common stock on the dates of grant. Using a Black-Scholes Option Pricing Model, the weighted average fair value of these options was $1.07 per share and was estimated at the date of grant. During 2014, the Company granted 102,000 options to purchase the Company’s common stock from the 2014 Plan, which generally vest 25% on each of the first four anniversaries of the date of the award. The exercise price of these grants was $0.85 per share and was based on the closing market price of the Company’s common stock on the dates of grant. Using a Black-Scholes Option Pricing Model, the weighted average fair value of these options was $0.84 per share and was estimated at the date of grant.

Stock Based Compensation

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

10. Stock Based Compensation

The Mechanical Technology, Incorporated 2014 Equity Incentive Plan (the 2014 Plan) was adopted by the Company’s Board of Directors on March 12, 2014 and approved by its stockholders on June 11, 2014. The 2014 Plan provides an initial aggregate number of 500,000 shares of common stock that may be awarded or issued. The number of shares that may be awarded under the 2014 Plan and awards outstanding may be subject to adjustment on account of any stock dividend, spin-off, stock split, reverse stock split, split-up, recapitalization, reclassification, reorganization, combination or exchange of shares, merger, consolidation, liquidation, business combination, exchange of shares or the like. Under the 2014 Plan, the Board appointed administrator of the 2014 Plan is authorized to issue stock options (incentive and nonqualified), stock appreciation rights, restricted stock, restricted stock units, phantom stock, performance awards and other stock-based awards to employees, officers and directors of, and other individuals providing bona fide services to or for, the Company or any affiliate of the Company. Incentive stock options may only be granted to employees of the Company and its subsidiaries.

The Mechanical Technology, Incorporated 2012 Equity Incentive Plan (the 2012 Plan) was adopted by the Company’s Board of Directors on April 14, 2012 and approved by stockholders on June 14, 2012. The 2012 Plan provides an initial aggregate number of 600,000 shares of common stock which may be awarded or issued. The number of shares which may be awarded under the 2012 Plan and awards outstanding can be subject to adjustment on account of any recapitalization, reclassification, stock split, reverse stock split and other dilutive changes in Common Stock. Under the 2012 Plan, the Board of Directors is authorized to issue stock options (incentive and nonqualified), stock appreciation rights, restricted stock, restricted stock units and other stock-based awards to employees, officers, directors, consultants and advisors of the Company and its subsidiaries. Incentive stock options may only be granted to employees of the Company and its subsidiaries.

During 2015, the Company granted 140,000 options to purchase the Company’s common stock from the 2014 Plan, which generally vest 25% on each of the first four anniversaries of the date of the award. The exercise price of these grants was $1.20 per share and was based on the closing market price of the Company’s common stock on the dates of grant. Using a Black-Scholes Option Pricing Model, the weighted average fair value of these options was $1.14 per share and was estimated at the date of grant.

During 2014, the Company granted 140,000 options to purchase the Company’s common stock from the 2012 Plan, which generally vest 25% on each of the first four anniversaries of the date of the award. The exercise price of these grants was $1.08 per share and was based on the closing market price of the Company’s common stock on the dates of grant. Using a Black-Scholes Option Pricing Model, the weighted average fair value of these options was $1.07 per share and was estimated at the date of grant.

During 2014, the Company granted 102,000 options to purchase the Company’s common stock from the 2014 Plan, which generally vest 25% on each of the first four anniversaries of the date of the award. The exercise price of these grants was $0.85 per share and was based on the closing market price of the Company’s common stock on the dates of grant. Using a Black-Scholes Option Pricing Model, the weighted average fair value of these options was $0.84 per share and was estimated at the date of grant.