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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2020
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  
Schedule of inventories, net of reserves

December 31, 

December 31, 

    

2020

    

2019

Chassis

$

6,859

$

6,561

Raw materials

 

36,161

 

39,444

Work in process

 

16,282

 

16,520

Finished goods

 

24,637

 

25,440

$

83,939

$

87,965

Schedule of property, plant and equipment

    

2020

    

2019

Land and improvements

$

13,960

$

13,953

Buildings and improvements

 

83,320

 

73,121

Machinery and equipment

 

53,787

 

50,235

Furniture and fixtures

 

11,163

 

9,172

Software costs

 

6,327

 

6,033

 

168,557

 

152,514

Less accumulated depreciation

 

(69,937)

 

(61,779)

$

98,620

$

90,735

Schedule of accrued liabilities

    

2020

    

2019

Accrued wages, commissions, bonuses and benefits

$

10,510

$

12,382

Accrued products warranty

 

3,373

 

3,859

Accrued taxes

 

2,164

 

2,079

Other

 

8,726

 

9,493

$

24,773

$

27,813

Schedule of product warranty liability

    

2020

    

2019

Accrual at beginning of the year

$

3,859

$

3,752

Provision

 

2,915

 

2,483

Settlement and Other

 

(3,401)

 

(2,376)

Accrual at end of year

$

3,373

$

3,859