​

Useful Life

​

​

​

​

​

​

 In Years

​

2021

​

2020

Tooling and equipment

7 - 15

​

$

13,636

​

$

13,465

Furniture and other equipment

5

​

7,567

​

7,379

Computer software

5

​

2,378

​

2,378

Leasehold improvements

3 - 6

​

3,397

​

3,314

Equipment under capital lease

5

​

197

​

197

​

​

​

​

27,175

​

26,733

Less accumulated depreciation

​

​

​

(19,404)

​

(18,894)

​

​

​

​

$

7,771

​

$

7,839