SHARE-BASED COMPENSATION - Assumptions (Details)
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3 Months Ended |
9 Months Ended |
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
| Private Innovate 2015 Stock Incentive Plan |
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|
|
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
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| Expected dividend yield |
0.00%
|
0.00%
|
0.00%
|
0.00%
|
| Expected stock price volatility |
0.00%
|
|
67.00%
|
|
| Risk-free interest rate |
0.00%
|
|
3.00%
|
|
| Risk-free interest rate, minimum |
|
2.80%
|
|
2.70%
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| Risk-free interest rate, maximum |
|
3.00%
|
|
3.00%
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| Expected term |
0 days
|
|
|
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| Private Innovate 2015 Stock Incentive Plan | Minimum |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Expected stock price volatility |
|
66.00%
|
|
66.00%
|
| Expected term |
|
8 years 6 months
|
8 years 2 months 12 days
|
8 years 6 months
|
| Private Innovate 2015 Stock Incentive Plan | Maximum |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Expected stock price volatility |
|
68.00%
|
|
72.00%
|
| Expected term |
|
9 years 1 month 6 days
|
8 years 8 months 12 days
|
9 years 6 months
|
| Omnibus Incentive Plan 2012 |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Expected dividend yield |
0.00%
|
0.00%
|
0.00%
|
0.00%
|
| Risk-free interest rate, minimum |
1.50%
|
2.80%
|
1.50%
|
2.80%
|
| Risk-free interest rate, maximum |
1.90%
|
3.10%
|
2.70%
|
3.10%
|
| Omnibus Incentive Plan 2012 | Minimum |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Expected stock price volatility |
67.00%
|
65.00%
|
67.00%
|
65.00%
|
| Expected term |
5 years
|
5 years
|
5 years
|
5 years
|
| Omnibus Incentive Plan 2012 | Maximum |
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
| Expected stock price volatility |
69.00%
|
73.00%
|
72.00%
|
73.00%
|
| Expected term |
10 years
|
10 years
|
10 years
|
10 years
|