Stock-Based Compensation	9 Months Ended
Mar. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	(2) Stock-Based Compensation At the annual meeting of shareholders of the Company, held on December 15, 2015, the Company’s shareholders approved the Aceto Corporation 2015 Equity Participation Plan (the “2015 Plan”). Under the 2015 Plan, grants of stock options, stock appreciation rights, restricted stock, restricted stock units and other stock-based awards (“Stock Awards”) may be offered to employees, non-employee directors, consultants and advisors of the Company, including the chief executive officer, chief financial officer and other named executive officers. The maximum number of shares of common stock of the Company that may be issued pursuant to Stock Awards granted under the 2015 Plan will not exceed, in the aggregate, 4,250 shares. Stock Awards that are intended to qualify as “performance-based compensation” for purposes of Section 162(m) of the Internal Revenue Code of 1986, as amended, may be granted. Performance-based awards may be granted, vested and paid based on the attainment of specified performance goals. At the annual meeting of shareholders of the Company, held on December 6, 2012, the Company’s shareholders approved the amended and restated Aceto Corporation 2010 Equity Participation Plan (the “2010 Plan”). Under the 2010 Plan, grants of stock options, restricted stock, restricted stock units, stock appreciation rights, and stock bonuses may be made to employees, non-employee directors and consultants of the Company. The maximum number of shares of common stock of the Company that may be issued pursuant to awards granted under the 2010 Plan will not exceed, in the aggregate, 5,250 shares. In addition, restricted stock may be granted to an eligible participant in lieu of a portion of any annual cash bonus earned by such participant. Such award may include additional shares of restricted stock (premium shares) greater than the portion of bonus paid in restricted stock. The restricted stock award is vested at issuance and the restrictions lapse ratably over a period of years as determined by the Board of Directors, generally three years. The premium shares vest when all the restrictions lapse, provided that the participant remains employed by the Company at that time. During the nine months ended March 31, 2016, the Company granted 221 shares of restricted common stock to its employees that vest over three years, 14 shares of restricted stock to its non-employee directors, which vest over approximately one year as well as 46 restricted stock units to its employees that have varying vest dates through August 2016. In addition, the Company also issued a target grant of 142 performance-vested restricted stock units, which grant could be as much as 248 units if certain performance criteria and market conditions are met. Performance-vested restricted stock units will cliff vest 100% at the end of the third year following grant in accordance with the performance metrics set forth in the applicable employee performance-vested restricted stock unit grant. During the year ended June 30, 2015, the Company granted 165 shares of restricted common stock to its employees that vest over three years and 12 shares of restricted common stock to its non-employee directors, which vest over approximately one year as well as 67 restricted stock units that have varying vest dates through August 2016. In addition, the Company also issued a target grant of 116 performance-vested restricted stock units, which grant could be as much as 203 if certain performance criteria and market conditions are met. Performance-vested restricted stock units will cliff vest 100% at the end of the third year following grant in accordance with the performance metrics set forth in the applicable employee performance-vested restricted stock unit grant. For the three and nine months ended March 31, 2016, the Company recorded stock-based compensation expense of approximately $1,753 and $4,948, respectively, related to restricted common stock and restricted stock units. For the three and nine months ended March 31, 2015, the Company recorded stock-based compensation expense of approximately $1,123 and $3,368 respectively, related to restricted common stock and restricted stock units. As of March 31, 2016, the total unrecognized compensation cost related to restricted stock awards and restricted stock units is approximately $9,746.

Stock-Based Compensation

9 Months Ended

Mar. 31, 2016

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

(2) Stock-Based Compensation

At the annual meeting of shareholders of the Company, held on December 15, 2015, the Company’s shareholders approved the Aceto Corporation 2015 Equity Participation Plan (the “2015 Plan”). Under the 2015 Plan, grants of stock options, stock appreciation rights, restricted stock, restricted stock units and other stock-based awards (“Stock Awards”) may be offered to employees, non-employee directors, consultants and advisors of the Company, including the chief executive officer, chief financial officer and other named executive officers. The maximum number of shares of common stock of the Company that may be issued pursuant to Stock Awards granted under the 2015 Plan will not exceed, in the aggregate, 4,250 shares. Stock Awards that are intended to qualify as “performance-based compensation” for purposes of Section 162(m) of the Internal Revenue Code of 1986, as amended, may be granted. Performance-based awards may be granted, vested and paid based on the attainment of specified performance goals.

At the annual meeting of shareholders of the Company, held on December 6, 2012, the Company’s shareholders approved the amended and restated Aceto Corporation 2010 Equity Participation Plan (the “2010 Plan”). Under the 2010 Plan, grants of stock options, restricted stock, restricted stock units, stock appreciation rights, and stock bonuses may be made to employees, non-employee directors and consultants of the Company. The maximum number of shares of common stock of the Company that may be issued pursuant to awards granted under the 2010 Plan will not exceed, in the aggregate, 5,250 shares. In addition, restricted stock may be granted to an eligible participant in lieu of a portion of any annual cash bonus earned by such participant. Such award may include additional shares of restricted stock (premium shares) greater than the portion of bonus paid in restricted stock. The restricted stock award is vested at issuance and the restrictions lapse ratably over a period of years as determined by the Board of Directors, generally three years. The premium shares vest when all the restrictions lapse, provided that the participant remains employed by the Company at that time.

During the nine months ended March 31, 2016, the Company granted 221 shares of restricted common stock to its employees that vest over three years, 14 shares of restricted stock to its non-employee directors, which vest over approximately one year as well as 46 restricted stock units to its employees that have varying vest dates through August 2016. In addition, the Company also issued a target grant of 142 performance-vested restricted stock units, which grant could be as much as 248 units if certain performance criteria and market conditions are met. Performance-vested restricted stock units will cliff vest 100% at the end of the third year following grant in accordance with the performance metrics set forth in the applicable employee performance-vested restricted stock unit grant.

During the year ended June 30, 2015, the Company granted 165 shares of restricted common stock to its employees that vest over three years and 12 shares of restricted common stock to its non-employee directors, which vest over approximately one year as well as 67 restricted stock units that have varying vest dates through August 2016. In addition, the Company also issued a target grant of 116 performance-vested restricted stock units, which grant could be as much as 203 if certain performance criteria and market conditions are met. Performance-vested restricted stock units will cliff vest 100% at the end of the third year following grant in accordance with the performance metrics set forth in the applicable employee performance-vested restricted stock unit grant.

For the three and nine months ended March 31, 2016, the Company recorded stock-based compensation expense of approximately $1,753 and $4,948, respectively, related to restricted common stock and restricted stock units. For the three and nine months ended March 31, 2015, the Company recorded stock-based compensation expense of approximately $1,123 and $3,368 respectively, related to restricted common stock and restricted stock units. As of March 31, 2016, the total unrecognized compensation cost related to restricted stock awards and restricted stock units is approximately $9,746.