Annual report pursuant to Section 13 and 15(d)

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

v3.21.1
Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
Net operating losses $ 8,662 $ 9,391
Environmental and closure reserves 1,839 1,977
Lease liability 642 742
Other 1,734 1,295
Depreciation and amortization (3,447) (3,211)
Goodwill and indefinite lived intangible assets (471) (590)
Right-of-use lease asset (627) (730)
481(a) adjustment (209) (336)
Prepaid expenses (22) (22)
Deferred tax assets liabilities gross (8,101) (8,516)
Valuation allowance (8,572) (9,106)
Net deferred income tax liabilities $ (471) $ (590)