Annual report pursuant to Section 13 and 15(d)

Item 15 (Notes)

v3.20.4
Item 15 (Notes)
 12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS (in thousands):
Classification Balance at beginning of year Additions (deductions) charged to expenses Other Additions (Deductions) Balance at end of year
Allowance for credit losses (previously, allowance for doubtful accounts)
2020 $ —  $ —  $ —  $ —  $ — 
2019 46  —  —  (46) — 
2018 73  —  —  (27) 46 
Warranty reserves
2020 $ 553  $ 300  $ —  $ (153) $ 700 
2019 519  74  —  (40) 553 
2018 941  (414) —  (8) 519 
Valuation allowance for deferred tax assets
2020 $ 77,957  $ (7,385) $ 1,239  $ —  $ 71,811 
2019 79,196  (1,239) —  —  77,957 
2018 84,560  (5,761) 397  —  79,196