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PROPERTY AND EQUIPMENT (Tables)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
PROPERTY AND EQUIPMENT    
Schedule of property and equipment-net

Property and equipment, net consists of the following (in thousands):

​

​

​

​

​

​

​

​

​

    

June 30, 

​

December 31, 

​

    

2021

​

2020

Equipment

​

$

15,672

​

$

13,708

Furniture and fixtures

​

 

1,033

​

 

895

Computer equipment

​

 

1,139

​

 

1,089

Tooling

​

 

1,805

​

 

1,805

Software

​

 

1,439

​

 

1,249

Leasehold improvements

​

 

14,564

​

 

13,870

Construction in process

​

 

1,617

​

 

879

Property and equipment, gross

​

 

37,269

​

 

33,495

Less: accumulated depreciation

​

 

(24,041)

​

 

(21,335)

Total property and equipment, net

​

$

13,228

​

$

12,160

Property and equipment, net consists of the following (in thousands):

​

​

​

​

​

​

​

​

​

​

December 31, 

​

    

2020

    

2019

Equipment

​

$

13,708

​

$

13,358

Furniture and fixtures

​

 

895

​

 

895

Computer equipment

​

 

1,089

​

 

1,089

Tooling

​

 

1,805

​

 

1,823

Software

​

 

1,249

​

 

954

Leasehold improvements

​

 

13,870

​

 

13,880

Construction in process

​

 

879

​

 

170

Property and equipment, gross

​

 

33,495

​

 

32,169

Less: accumulated depreciation

​

 

(21,335)

​

 

(13,782)

Total property and equipment, net

​

$

12,160

​

$

18,387