Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Deferred Tax Assets and Liabilities (Details)

v3.10.0.1
Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]    
Capitalized engineering costs $ 6,353 $ 2,812
Capitalized start-up costs 19,290 17,881
Compensation and benefits 3,862 5,465
Federal 37,822 19,423
State 4,979 522
Foreign 2,392 1,694
Other, net 8,328 3,541
Deferred tax assets 83,026 51,338
Less valuation allowance (83,026) (50,942)
Deferred tax assets, net of valuation allowance 0 396
Deferred tax liabilities 0 (396)
Net deferred tax assets $ 0 $ 0