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Note 17 - Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes Tables |
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
United States |  | $ | 27,814 |  |  | $ | 40,271 |  |  | $ | 14,000 |
Foreign |  |  | 1,465 |  |  |  | 1,079 |  |  |  | 1,158 |
Total |  | $ | 29,279 |  |  | $ | 41,350 |  |  | $ | 15,158 |
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Current: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  | $ | 6,817 |  |  | $ | 8,443 |  |  | $ | 2,256 |
State |  |  | 1,519 |  |  |  | 1,264 |  |  |  | 1,064 |
Foreign |  |  | 289 |  |  |  | 198 |  |  |  | 213 |
Total current income tax expense |  |  | 8,625 |  |  |  | 9,905 |  |  |  | 3,533 |
Deferred: |  |  |  |  |  |  |  |  |  |  |  |
Federal |  |  | (612 | ) |  |  | (22 | ) |  |  | 573 |
State |  |  | 195 |  |  |  | 340 |  |  |  | (464 | )
Foreign |  |  | (1 | ) |  |  | (22 | ) |  |  | (7 | )
Total deferred income tax expense (benefit) |  |  | (418 | ) |  |  | 296 |  |  |  | 102 |
Total income tax expense |  | $ | 8,207 |  |  | $ | 10,201 |  |  | $ | 3,635 |
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Income tax expense at federal statutory rate |  | $ | 6,148 |  |  | $ | 8,683 |  |  | $ | 3,183 |
State expense, net of federal income tax effect |  |  | 942 |  |  |  | 1,463 |  |  |  | 547 |
Change in valuation allowance |  |  | (30 | ) |  |  | (1 | ) |  |  | (247 | )
Nondeductible expenses |  |  | 257 |  |  |  | (35 | ) |  |  | (31 | )
Foreign rate differential |  |  | 133 |  |  |  | 97 |  |  |  | 104 |
Accrued interest on uncertain income tax positions |  |  | 264 |  |  |  | 106 |  |  |  | 16 |
State franchise tax |  |  | 250 |  |  |  | 110 |  |  |  | 92 |
Other |  |  | 243 |  |  |  | (222 | ) |  |  | (29 | )
Income tax expense |  | $ | 8,207 |  |  | $ | 10,201 |  |  | $ | 3,635 |
Effective income tax rate |  |  | 28.0 | % |  |  | 24.7 | % |  |  | 24.0 | %
Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
|  | December 31, |
|  | 2023 |  |  | 2022 |
Deferred income tax assets: |  |  |  |  |  |  |  |
Accrued employee benefits |  | $ | 3,096 |  |  | $ | 3,840 |
Inventories |  |  | 380 |  |  |  | 350 |
Trade receivable, net |  |  | 532 |  |  |  | 329 |
Net operating loss carryforwards |  |  | 3,429 |  |  |  | 2,944 |
Tax credit carryforwards |  |  | 2,777 |  |  |  | 2,863 |
Contract assets, net |  |  | 934 |  |  |  | 403 |
Other |  |  | 1,952 |  |  |  | 1,074 |
|  |  | 13,100 |  |  |  | 11,803 |
Valuation allowance |  |  | (6,641 | ) |  |  | (6,051 | )
|  |  | 6,459 |  |  |  | 5,752 |
Deferred income tax liabilities: |  |  |  |  |  |  |  |
Property and equipment |  |  | (13,850 | ) |  |  | (13,550 | )
Intangible assets |  |  | (800 | ) |  |  | (1,319 | )
Goodwill |  |  | (1,164 | ) |  |  | (606 | )
Prepaid expenses |  |  | (1,217 | ) |  |  | (1,285 | )
|  |  | (17,031 | ) |  |  | (16,760 | )
Net deferred income tax liabilities |  | $ | (10,572 | ) |  | $ | (11,008 | )
Amounts are presented in the Consolidated Balance Sheets as follows: |  |  |  |  |  |  |  |
Deferred income tax assets, included in Other assets |  | $ | 370 |  |  | $ | 394 |
Deferred income taxes |  |  | (10,942 | ) |  |  | (11,402 | )
Net deferred income tax liabilities |  | $ | (10,572 | ) |  | $ | (11,008 | )
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] |
|  | Year Ended December 31, |
|  | 2023 |  |  | 2022 |  |  | 2021 |
Unrecognized income tax benefits, beginning of year |  | $ | 4,472 |  |  | $ | 4,366 |  |  | $ | 4,350 |
Increases for positions taken in prior years |  |  | 264 |  |  |  | 106 |  |  |  | 16 |
Unrecognized income tax benefits, end of year |  | $ | 4,736 |  |  | $ | 4,472 |  |  | $ | 4,366 |

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 9 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-9 + Details
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