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LICENSE AGREEMENTS AND COMMITMENTS (Tables)
6 Months Ended
Jun. 30, 2020
LICENSE AGREEMENTS AND COMMITMENTS  
Maturities of operating lease liabilities

Maturities of operating lease liabilities at June 30, 2020 were as follows (in thousands):

​

​

​

​

​

​

Operating Leases

​

    

at June 30, 2020

Remainder of 2020

​

$

378

Years ending December 31,

​

​

​

2021

​

​

760

2022

​

​

650

2023

​

​

539

2024

​

​

64

Total lease payments

​

​

2,391

Less: Imputed interest

​

​

(423)

Total operating lease liabilities at June 30, 2020

​

$

1,968

​

Maturities of operating leases at December 31, 2019 were as follows (in thousands):

​

​

​

​

​

​

Operating Leases

​

    

at December 31, 2019

2020

​

$

749

2021

​

​

753

2022

​

​

646

2023

​

​

539

2024

​

​

77

Total lease payments

​

​

2,764

Less: Imputed interest

​

​

(534)

Total operating lease liabilities at December 31, 2019

​

$

2,230