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Pay vs Performance Disclosure - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pay vs Performance Disclosure [Table]      
Pay vs Performance [Table Text Block]
Pay Versus Performance
As required by Section 953(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act, and Item 402(v) of Regulation S-K, we are providing the following information about the relationship between executive compensation actually paid and certain financial performance of the Company. For further information concerning the Company’s variable pay-for-performance philosophy and how the Company’s aligns executive compensation with the Company’s performance, refer to “Compensation Discussion and Analysis.”
Year
​Summary
Compensation
Table Total
for PEO1
​Compensation
Actually Paid
to PEO2
​Average
Summary
Compensation
Table Total
for Non-PEO
NEOs3
​Average
Compensation
Actually Paid
to Non-PEO
NEOs4
Value of Initial Fixed $100
Investment Based On:
​Net
Income
(millions)7
​Adjusted EBITDA
(millions)8
Total
Stockholder
Return5
Peer Group
Total
Stockholder
Return6
(a)
​(b)
​(c)
​(d)
​(e)
(f)
(g)
​(h)
​(j)
2022
​$2,486,134
​($7,379,573)
​$1,113,253
​($1,715,342)
$105.41
$144.55
​($37.33)
​$13.70
2021
​$5,132,821
​$9,636,047
​$1,916,321
​$3,122,660
$359.48
$190.28
​($275.53)
​$19.35
2020
​$5,484,107
​$15,785,960
​$1,808,535
​$4,502,127
$266.59
$135.64
​($32.69)
​($0.67)
(1)
The dollar amounts reported in column (b) are the amounts of total compensation reported for Mr. Shelton (our Chief Executive Officer) for each corresponding year in the “Total” column of the Summary Compensation Table. Refer to “Executive Compensation – 2022 Executive Compensation Tables – Summary Compensation Table.”
(2)
The dollar amounts reported in column I represent the amount of “compensation actually paid” to Mr. Shelton, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Mr. Shelton during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to Mr. Shelton’s total compensation for each year to determine the compensation actually paid:
Year
Reported
Summary
Compensation
Table Total for
PEO
Reported
Value of Equity
Awards Granted
in the Year(a)
Equity
Award
Adjustments(b)
Compensation
Actually Paid to
PEO
2022
$2,486,134
($1,694,572)
($8,171,135)
($7,379,573)
2021
$5,132,821
($3,814,383)
$8,317,609
$9,636,047
2020
$5,484,107
($4,091,607)
$14,393,460
$15,785,960
(a)
The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year.
(b)
The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows:
Year
Year End
Fair Value
of
Outstanding
and
Unvested
Equity
Awards
Granted in
the Year
Year over
Year Change
in Fair Value
of
Outstanding
and Unvested
Equity
Awards
Granted in
Prior Years
Fair Value as
of Vesting
Date of
Equity
Awards
Granted and
Vested in the
Year
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Fair Value at
the End of
the Prior
Year of
Equity
Awards that
Failed to
Meet
Vesting
Conditions
in the Year
Value of
Dividends or
other
Earnings Paid
on Stock or
Option
Awards not
Otherwise
Reflected in
Fair Value or
Total
Compensation
Total
Equity
Award
Adjustments
2022
​$886,794
($6,226,290)
$188,681
($3,020,320)
​$—
$—
($8,171,135)
2021
​$3,619,780
$2,441,618
$441,532
$1,814,679
​$—
$—
$8,317,609
2020
​$10,430,349
$574,880
$2,030,949
$1,357,282
​$—
$—
$14,393,460
(3)
The dollar amounts reported in column (d) represent the average of the amounts reported for the Company’s named executive officers (NEOs) as a group (excluding Mr. Shelton) in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the NEOs (excluding Mr. Shelton) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2022 and 2021, Robert Stefanovich and Mark Sawicki; and (ii) for 2020, Robert Stefanovich.
(4)
The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the NEOs as a group (excluding Mr. Shelton), as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group (excluding Mr. Shelton) during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to average total compensation for the NEOs as a group (excluding Mr. Shelton) for each year to determine the compensation actually paid, using the same methodology described above in Note 2:
Year
Average
Reported
Summary
Compensation
Table Total for
Non-PEO
NEOs
Average
Reported
Value of Equity
Awards Granted
in the Year
Average Equity
Award
Adjustments(a)
Average
Compensation
Actually Paid to
Non-PEO NEOs
2022
​$1,113,253
($612,303)
($2,216,292)
($1,715,342)
2021
​$1,916,321
($1,232,621)
$2,438,960
$3,122,660
2020
​$1,808,535
($1,093,164)
$3,786,756
$4,502,127
(a)
The amounts deducted or added in calculating the total average equity award adjustments are as follows:
Year
Average
Year End
Fair Value
of
Outstanding
and
Unvested Equity
Awards
Granted in
the Year
Year over
Year Average
Change in
Fair Value of
Outstanding
and Unvested
Equity
Awards
Granted in
the Prior Year
Average Fair
Value as of
Vesting Date
of Equity
Awards
Granted and
Vested in the
Year
Year over
Year
Average
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Average Fair
Value at the
End of the
Prior Year
of Equity
Awards that
Failed to
Meet
Vesting
Conditions
in the Year
Average
Value of
Dividends or
other
Earnings Paid
on Stock or
Option
Awards not
Otherwise
Reflected in
Fair Value or
Total
Compensation
Total
Average
Equity
Award
Adjustments
2022
​$324,361
($1,766,265)
$64,724
($839,112)
​$—
$—
​($2,216,292)
2021
​$1,166,153
$651,097
$147,179
$474,531
​$—
$—
​$2,438,960
2020
​$2,781,431
$137,974
$541,594
$325,757
​$—
$—
​$3,786,756
(5)
Cumulative TSR is calculated by dividing the sum of the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and the difference between the Company’s share price at the end and the beginning of the measurement period by the Company’s share price at the beginning of the measurement period.
(6)
Represents the weighted peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the following published industry index: S&P 1500 Life Sciences Tools & Services Industry Index.
(7)
The dollar amounts reported represent the amount of net income reflected in the Company’s audited financial statements for the applicable year.
(8)
Adjusted EBITDA is defined as net income (or loss) plus depreciation and amortization expense, acquisition and integration costs, interest and other income, foreign currency (gain) loss, interest expense, stock based compensation expense, loss on the extinguishment of debts, income taxes and other non-recurring charges.
   
Company Selected Measure Name Adjusted EBITDA    
Named Executive Officers, Footnote [Text Block]
(3)
The dollar amounts reported in column (d) represent the average of the amounts reported for the Company’s named executive officers (NEOs) as a group (excluding Mr. Shelton) in the “Total” column of the Summary Compensation Table in each applicable year. The names of each of the NEOs (excluding Mr. Shelton) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2022 and 2021, Robert Stefanovich and Mark Sawicki; and (ii) for 2020, Robert Stefanovich.
   
Peer Group Issuers, Footnote [Text Block]
(6)
Represents the weighted peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the following published industry index: S&P 1500 Life Sciences Tools & Services Industry Index.
   
PEO Total Compensation Amount $ 2,486,134 $ 5,132,821 $ 5,484,107
PEO Actually Paid Compensation Amount $ (7,379,573) 9,636,047 15,785,960
Adjustment To PEO Compensation, Footnote [Text Block]
(2)
The dollar amounts reported in column I represent the amount of “compensation actually paid” to Mr. Shelton, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Mr. Shelton during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to Mr. Shelton’s total compensation for each year to determine the compensation actually paid:
Year
Reported
Summary
Compensation
Table Total for
PEO
Reported
Value of Equity
Awards Granted
in the Year(a)
Equity
Award
Adjustments(b)
Compensation
Actually Paid to
PEO
2022
$2,486,134
($1,694,572)
($8,171,135)
($7,379,573)
2021
$5,132,821
($3,814,383)
$8,317,609
$9,636,047
2020
$5,484,107
($4,091,607)
$14,393,460
$15,785,960
(a)
The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year.
(b)
The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end fair value of any equity awards granted in the applicable year that are outstanding and unvested as of the end of the year; (ii) the amount of change as of the end of the applicable year (from the end of the prior fiscal year) in fair value of any awards granted in prior years that are outstanding and unvested as of the end of the applicable year; (iii) for awards that are granted and vest in same applicable year, the fair value as of the vesting date; (iv) for awards granted in prior years that vest in the applicable year, the amount equal to the change as of the vesting date (from the end of the prior fiscal year) in fair value; (v) for awards granted in prior years that are determined to fail to meet the applicable vesting conditions during the applicable year, a deduction for the amount equal to the fair value at the end of the prior fiscal year; and (vi) the dollar value of any dividends or other earnings paid on stock or option awards in the applicable year prior to the vesting date that are not otherwise reflected in the fair value of such award or included in any other component of total compensation for the applicable year. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. The amounts deducted or added in calculating the equity award adjustments are as follows:
Year
Year End
Fair Value
of
Outstanding
and
Unvested
Equity
Awards
Granted in
the Year
Year over
Year Change
in Fair Value
of
Outstanding
and Unvested
Equity
Awards
Granted in
Prior Years
Fair Value as
of Vesting
Date of
Equity
Awards
Granted and
Vested in the
Year
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Fair Value at
the End of
the Prior
Year of
Equity
Awards that
Failed to
Meet
Vesting
Conditions
in the Year
Value of
Dividends or
other
Earnings Paid
on Stock or
Option
Awards not
Otherwise
Reflected in
Fair Value or
Total
Compensation
Total
Equity
Award
Adjustments
2022
​$886,794
($6,226,290)
$188,681
($3,020,320)
​$—
$—
($8,171,135)
2021
​$3,619,780
$2,441,618
$441,532
$1,814,679
​$—
$—
$8,317,609
2020
​$10,430,349
$574,880
$2,030,949
$1,357,282
​$—
$—
$14,393,460
   
Non-PEO NEO Average Total Compensation Amount $ 1,113,253 1,916,321 1,808,535
Non-PEO NEO Average Compensation Actually Paid Amount $ (1,715,342) 3,122,660 4,502,127
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
(4)
The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the NEOs as a group (excluding Mr. Shelton), as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group (excluding Mr. Shelton) during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the following adjustments were made to average total compensation for the NEOs as a group (excluding Mr. Shelton) for each year to determine the compensation actually paid, using the same methodology described above in Note 2:
Year
Average
Reported
Summary
Compensation
Table Total for
Non-PEO
NEOs
Average
Reported
Value of Equity
Awards Granted
in the Year
Average Equity
Award
Adjustments(a)
Average
Compensation
Actually Paid to
Non-PEO NEOs
2022
​$1,113,253
($612,303)
($2,216,292)
($1,715,342)
2021
​$1,916,321
($1,232,621)
$2,438,960
$3,122,660
2020
​$1,808,535
($1,093,164)
$3,786,756
$4,502,127
(a)
The amounts deducted or added in calculating the total average equity award adjustments are as follows:
Year
Average
Year End
Fair Value
of
Outstanding
and
Unvested Equity
Awards
Granted in
the Year
Year over
Year Average
Change in
Fair Value of
Outstanding
and Unvested
Equity
Awards
Granted in
the Prior Year
Average Fair
Value as of
Vesting Date
of Equity
Awards
Granted and
Vested in the
Year
Year over
Year
Average
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Average Fair
Value at the
End of the
Prior Year
of Equity
Awards that
Failed to
Meet
Vesting
Conditions
in the Year
Average
Value of
Dividends or
other
Earnings Paid
on Stock or
Option
Awards not
Otherwise
Reflected in
Fair Value or
Total
Compensation
Total
Average
Equity
Award
Adjustments
2022
​$324,361
($1,766,265)
$64,724
($839,112)
​$—
$—
​($2,216,292)
2021
​$1,166,153
$651,097
$147,179
$474,531
​$—
$—
​$2,438,960
2020
​$2,781,431
$137,974
$541,594
$325,757
​$—
$—
​$3,786,756
   
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Analysis of the Information Presented in the Pay versus Performance Table
As described in more detail in the section “Compensation Discussion and Analysis,” the Company’s executive compensation program reflects a variable pay-for-performance philosophy. While the Company utilizes several performance measures to align executive compensation with Company performance, all of those Company measures are not presented in the Pay versus Performance table. Moreover, the Company generally seeks to incentivize long-term performance, and therefore does not specifically align the Company’s performance measures with compensation that is actually paid (as computed in accordance with Item 402(v) of Regulation S-K) for a particular year. In accordance with Item 402(v) of Regulation S-K, the Company is providing the following descriptions of the relationships between information presented in the Pay versus Performance table.
Compensation Actually Paid and Cumulative TSR
As demonstrated by the following graph, the amount of compensation actually paid to Mr. Shelton and the average amount of compensation actually paid to the Company’s NEOs as a group (excluding Mr. Shelton) is aligned with the Company’s cumulative TSR over the three years presented in the table. The table also compares the Company’s cumulative TSR to the TSR of our peer group. The alignment of compensation actually paid with the Company’s cumulative TSR over the period presented is because a significant portion of the compensation actually paid to our NEOs is comprised of equity awards. As described in more detail in the section “Compensation Discussion and Analysis,” the Company’s executive compensation program is primarily performance-based, for both short-term incentives (annual cash bonuses) and long-term incentives (equity awards).
graphic
   
Compensation Actually Paid vs. Net Income [Text Block]
Analysis of the Information Presented in the Pay versus Performance Table
As described in more detail in the section “Compensation Discussion and Analysis,” the Company’s executive compensation program reflects a variable pay-for-performance philosophy. While the Company utilizes several performance measures to align executive compensation with Company performance, all of those Company measures are not presented in the Pay versus Performance table. Moreover, the Company generally seeks to incentivize long-term performance, and therefore does not specifically align the Company’s performance measures with compensation that is actually paid (as computed in accordance with Item 402(v) of Regulation S-K) for a particular year. In accordance with Item 402(v) of Regulation S-K, the Company is providing the following descriptions of the relationships between information presented in the Pay versus Performance table.
Compensation Actually Paid and Net Income
The amount of compensation actually paid to Mr. Shelton and the average amount of compensation actually paid to the Company’s NEOs as a group (excluding Mr. Shelton) is compared to the Company’s Net Income over the last three completed fiscal years presented in the following table.
graphic
   
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Analysis of the Information Presented in the Pay versus Performance Table
As described in more detail in the section “Compensation Discussion and Analysis,” the Company’s executive compensation program reflects a variable pay-for-performance philosophy. While the Company utilizes several performance measures to align executive compensation with Company performance, all of those Company measures are not presented in the Pay versus Performance table. Moreover, the Company generally seeks to incentivize long-term performance, and therefore does not specifically align the Company’s performance measures with compensation that is actually paid (as computed in accordance with Item 402(v) of Regulation S-K) for a particular year. In accordance with Item 402(v) of Regulation S-K, the Company is providing the following descriptions of the relationships between information presented in the Pay versus Performance table.
Compensation Actually Paid and Adjusted EBITDA
As demonstrated by the following table, the amount of compensation actually paid to Mr. Shelton and the average amount of compensation actually paid to the Company’s NEOs as a group (excluding Mr. Shelton) is generally aligned with the Company’s Adjusted EBITDA over the three years presented in the table. As described in more detail in the section “Compensation Discussion and Analysis,” the Company uses Adjusted EBITDA as one of the Base Financial Goals under the Bonus Plan.
graphic
   
Total Shareholder Return Vs Peer Group [Text Block]
Analysis of the Information Presented in the Pay versus Performance Table
As described in more detail in the section “Compensation Discussion and Analysis,” the Company’s executive compensation program reflects a variable pay-for-performance philosophy. While the Company utilizes several performance measures to align executive compensation with Company performance, all of those Company measures are not presented in the Pay versus Performance table. Moreover, the Company generally seeks to incentivize long-term performance, and therefore does not specifically align the Company’s performance measures with compensation that is actually paid (as computed in accordance with Item 402(v) of Regulation S-K) for a particular year. In accordance with Item 402(v) of Regulation S-K, the Company is providing the following descriptions of the relationships between information presented in the Pay versus Performance table.
Compensation Actually Paid and Cumulative TSR
As demonstrated by the following graph, the amount of compensation actually paid to Mr. Shelton and the average amount of compensation actually paid to the Company’s NEOs as a group (excluding Mr. Shelton) is aligned with the Company’s cumulative TSR over the three years presented in the table. The table also compares the Company’s cumulative TSR to the TSR of our peer group. The alignment of compensation actually paid with the Company’s cumulative TSR over the period presented is because a significant portion of the compensation actually paid to our NEOs is comprised of equity awards. As described in more detail in the section “Compensation Discussion and Analysis,” the Company’s executive compensation program is primarily performance-based, for both short-term incentives (annual cash bonuses) and long-term incentives (equity awards).
graphic
   
Tabular List [Table Text Block]
Financial Performance Measures
As described in greater detail in “Compensation Discussion and Analysis,” the Company’s executive compensation program reflects a variable pay-for-performance philosophy. The metrics that the Company uses for both our long-term and short-term incentive awards are selected based on an objective of incentivizing our NEOs to increase the value of our business for our stockholders. The most important financial performance measures used by the Company to link executive compensation actually paid to the Company’s NEOs, for the most recently completed fiscal year, to the Company’s performance are as follows:
Revenue
Adjusted EBITDA
Total Stockholder Return
   
Total Shareholder Return Amount $ 105.41 359.48 266.59
Peer Group Total Shareholder Return Amount 144.55 190.28 135.64
Net Income (Loss) $ (37,330,000) $ 275,530,000 $ 32,690,000
Company Selected Measure Amount 13,700,000 19,350,000 (670,000)
PEO Name Mr. Shelton Mr. Shelton Mr. Shelton
Measure [Axis]: 1      
Pay vs Performance Disclosure [Table]      
Measure Name Revenue    
Measure [Axis]: 2      
Pay vs Performance Disclosure [Table]      
Measure Name Adjusted EBITDA    
Non-GAAP Measure Description [Text Block]
(8)
Adjusted EBITDA is defined as net income (or loss) plus depreciation and amortization expense, acquisition and integration costs, interest and other income, foreign currency (gain) loss, interest expense, stock based compensation expense, loss on the extinguishment of debts, income taxes and other non-recurring charges.
   
Measure [Axis]: 3      
Pay vs Performance Disclosure [Table]      
Measure Name Total Stockholder Return    
PEO [Member] | Reported Value of Equity Awards Granted in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount $ (1,694,572) $ (3,814,383) $ (4,091,607)
PEO [Member] | Equity Award Adjustments [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (8,171,135) 8,317,609 14,393,460
PEO [Member] | Year End Fair Value of Outstanding and Unvested Equity Awards Granted in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 886,794 3,619,780 10,430,349
PEO [Member] | Year Over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in the Prior Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (6,226,290) 2,441,618 574,880
PEO [Member] | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 188,681 441,532 2,030,949
PEO [Member] | Year Over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 3,020,320 1,814,679 1,357,282
PEO [Member] | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 0 0
PEO [Member] | Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 0 0
Non-PEO NEO [Member] | Reported Value of Equity Awards Granted in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (612,303) (1,232,621) (1,093,164)
Non-PEO NEO [Member] | Equity Award Adjustments [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (2,216,292) 2,438,960 3,786,756
Non-PEO NEO [Member] | Year End Fair Value of Outstanding and Unvested Equity Awards Granted in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 324,361 1,166,153 2,781,431
Non-PEO NEO [Member] | Year Over Year Change in Fair Value of Outstanding and Unvested Equity Awards Granted in the Prior Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (1,766,265) 651,097 137,974
Non-PEO NEO [Member] | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 64,724 147,179 541,594
Non-PEO NEO [Member] | Year Over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount (839,112) 474,531 325,757
Non-PEO NEO [Member] | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount 0 0 0
Non-PEO NEO [Member] | Value of Dividends or other Earnings Paid on Stock or Option Awards not Otherwise Reflected in Fair Value or Total Compensation [Member]      
Pay vs Performance Disclosure [Table]      
Adjustment to Compensation Amount $ 0 $ 0 $ 0