XML 22 R12.htm IDEA: XBRL DOCUMENT v3.21.4
Inventories, Net
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
INVENTORIES, NET

5. INVENTORIES, NET

Inventories consisted of the following:

 

December 31,
2020

 

September 30,
2021

Work in process

 

$

22,167

 

$

18,222

Raw materials

 

 

17,451

 

 

20,725

Finished goods

 

 

5,350

 

 

8,873

Total

 

$

44,968

 

$

47,820

Provision for obsolete inventories at $680 and $6,569 were recognized for the three months ended September 30, 2020 and 2021, respectively. Provision for obsolete inventory at $1,326 and $12,667 were recognized for the nine months ended September 30, 2020 and 2021, respectively.

4. INVENTORIES, NET

Inventories consisted of the following:

 

December 31,
2019

 

December 31,
2020

Work in process

 

$

27,854

 

$

22,167

Raw materials

 

 

17,201

 

 

17,451

Finished goods

 

 

12,249

 

 

5,350

Total

 

$

57,304

 

$

44,968

Provision for obsolete inventory at $13,622, $4,233 and $1,343 were recognized for the years ended December 31, 2018, 2019 and 2020, respectively.