Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES (Details)

v3.19.1
COMMITMENTS AND CONTINGENCIES (Details)
$ in Thousands
 3 Months Ended 12 Months Ended 44 Months Ended
Dec. 31, 2018
USD ($)
Sep. 30, 2018
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Sep. 30, 2017
USD ($)
Jun. 30, 2017
USD ($)
Mar. 31, 2017
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2014
USD ($)
May 06, 2015
USD ($)
May 01, 2017
person
Dec. 31, 2015
USD ($)
Jul. 29, 2015
item
Number of cases consolidated | item                             2
Number of former officers named as defendants | person                         3    
Revenue recognized $ 2,800               $ 2,800            
Revenues 44,355 $ 53,467 $ 47,975 $ 43,121 $ 44,329 $ 39,040 $ 57,981 $ 45,632 188,918 $ 186,982          
Unsigned disputed change orders         22,900         22,900          
Rental expense on operating leases                 5,600 6,800          
Future minimum annual lease payments under these noncancelable operating leases                              
2019 1,060               1,060            
2020 653               653            
2021 631               631            
2022 581               581            
2023 130               130            
Total 3,055               3,055            
Contingent rental provisions                 0            
Warranty                              
Guarantee obligations 3,055               3,055            
Insurance                              
Health and general insurance expenses                 2,100 1,900          
Self-insured risk retention accrual 400       600       400 600          
Minimum                              
Minimum monetary damages                       $ 200,000      
Liquidated damages                              
Loss contingency, maximum liability                     $ 31,300        
Loss contingency, liability as percentage of contract value                     20.00%        
Performance liquidated damages         0         0       $ 4,400  
Payments to the entity's partner that were withheld by customer                           $ 500  
Revenues                   4,400          
Liquidated damages | Minimum                              
Loss contingency, maximum liability                     $ 4,900        
Liquidated damages incurred                     1,700        
Liquidated damages | Maximum                              
Loss contingency, maximum liability                     $ 33,000        
Possible workers compensation claim                              
Insurance                              
Outstanding letters of credit 1,100       $ 1,100       1,100 $ 1,100          
Executive employee                              
Insurance                              
Employee severance benefits $ 2,500               $ 2,500