Annual report pursuant to Section 13 and 15(d)

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

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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Deferred tax assets    
Impairments of intangible assets and inventory $ 644 $ 1,217
Employee benefits 724 758
Accrued losses on uncompleted contracts 3,335 2,380
Stock based compensation expense 312 266
Allowance for doubtful accounts 11 84
Long-term incentive awards 0 150
Federal net operating losses 14,885 9,962
State net operating losses 1,678 1,155
R&D and other tax credits 806 0
Other 426 395
Total deferred tax assets 22,821 16,367
Deferred tax liabilities    
Property, plant and equipment and AHFS (7,523) (11,416)
Prepaid insurance (402) (450)
Total deferred tax liabilities (7,925) (11,866)
Net deferred tax assets 14,896 4,501
Valuation allowance (15,086) (4,701)
Net deferred taxes $ (190) $ (200)