Annual report pursuant to Section 13 and 15(d)

Item 15 (Notes)

v3.19.3.a.u2
Item 15 (Notes)
 12 Months Ended
Dec. 31, 2019
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 doubtful accounts
2019
 
$
46

 
$
—

 
$
—

 
$
(46
)
 
$
—

2018
 
73

 
—

 
—

 
(27
)
 
46

2017
 
87

 
133

 
27

 
(174
)
 
73

Warranty reserves
2019
 
$
519

 
$
74

 
$
—

 
$
(40
)
 
$
553

2018
 
941

 
(414
)
 
—

 
(8
)
 
519

2017
 
860

 
492

 
122

 
(533
)
 
941

Valuation allowance for deferred tax assets
2019
 
$
79,196

 
$
(1,239
)
 
$
—

 
$
—

 
$
77,957

2018
 
84,560

 
(5,761
)
 
397

 
—

 
79,196

2017
 
100,284

 
(50,881
)
 
35,157

 
—

 
84,560