XML 30 R97.htm IDEA: XBRL DOCUMENT v3.20.1
INCOME TAXES - Summary of Components of Net Deferred Tax Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Deferred Tax Assets    
Allowance and reserves $ 2,935 $ (10,671)
Prepaid expense 95 28
Net operating loss carryforward 162,712 164,512
Tax credit carryforwards 5,660 32,958
Writedown/amortization of intangible assets and goodwill 15 241
Property, plant and equipment 4,147 3,500
Demo equipment income 4,588 4,439
Accrued warranties 25 (302)
Other 15,193 14,205
Total deferred tax assets 195,370 208,910
Deferred Tax Liabilities    
Deferred revenue and customer advances, net (157) 27
Total deferred tax liabilities (157) 27
Total net deferred tax assets 195,213 208,937
Less: Valuation Allowance (193,788) (206,630)
Total net deferred tax assets $ 1,425 $ 2,307