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Income Taxes (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Loss before income taxes |  |
Domestic | $ (25,931,000) | $ (15,116,000)
Foreign | (3,186,000) | 1,944,000
Loss before income tax | (29,117,000) | (13,172,000)
Income tax (expense) benefit |  |
Current federal benefit | 21,000 | 117,000
Current state expense | 6,000 | (131,000)
Deferred federal expense | (159,000) | (268,000)
Deferred state benefit | 158,000 | 258,000
Income tax benefit (expense) | $ 26,000 | $ (24,000)
Reconciliation of income tax provision |  |
Federal income tax rate (as a percent) | 21.00% | 21.00%
Tax benefit computed at statutory rate of 21% | $ 6,047,000 | $ 2,766,000
Change in valuation allowance | (6,632,000) | (2,152,000)
State income tax benefit, net of federal tax | 130,000 | 100,000
Foreign loss (income) | 706,000 | (536,000)
Other | (225,000) | (202,000)
Income tax benefit (expense) | 26,000 | (24,000)
Deferred tax assets: |  |
Federal tax net operating loss ("NOL") carryforward | 30,649,000 | 26,754,000
Foreign tax NOL carryforward | 6,947,000 | 6,244,000
State tax NOL carryforward | 2,194,000 | 1,509,000
Other comprehensive income | 235,000 | 273,000
Foreign deferred taxes | 197,000 | 207,000
Right-of-use assets | 125,000 | 124,000
Canadian start-up costs | 90,000 | 104,000
Restricted stock and restricted stock unit awards | 55,000 | 230,000
Other | 48,000 | 51,000
Self-insurance | 45,000 | 62,000
Workers' compensation | 11,000 | 44,000
Gross deferred tax assets | 40,596,000 | 35,602,000
Less valuation allowances | (37,571,000) | (30,396,000)
Net deferred tax assets | 3,025,000 | 5,206,000
Deferred tax liabilities: |  |
Property and equipment | (3,045,000) | (5,225,000)
Net deferred tax liabilities | (20,000) | (19,000)
Unrecognized Tax Benefits | 0 | 0
Canada |  |
Deferred tax liabilities: |  |
Net operating loss carry forwards | 26,718,000 |
Federal |  |
Deferred tax liabilities: |  |
Net deferred tax liabilities | (20,000) | $ (19,000)
Net operating loss carry forwards | 145,949,000 |
Tax benefits carry forward | 30,649,000 |
State |  |
Deferred tax liabilities: |  |
Tax benefits carry forward | $ 2,194,000 |

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