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Note 13 - Share-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Notes Tables |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | 2021 |  |  | 2020 |
Assumptions: |  |  |  |  |  |  |  |
Risk-free interest rate |  |  | 0.32 | % |  |  | 1.61 | %
Expected dividend yield |  |  | 1.18 | % |  |  | 2.00 | %
Expected volatility of Rocky's common stock |  |  | 51.87 | % |  |  | 42.27 | %
Expected option term (years) |  |  | 5.6 |  |  |  | 6.3 |
Weighted-average grant date fair value per share |  | $ | 12.16 |  |  | $ | 9.36 |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] |
($ in thousands) |  | 2021 |  |  | 2020 |
Share-based compensation expense |  | $ | 1,265 |  |  | $ | 780 |
Tax benefit |  |  | 192 |  |  |  | 58 |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
($ amounts are per share) |  | Shares |  |  | Exercise Price |  |  | Actual Term |  |  | Intrinsic Value |
Options outstanding at January 1, 2021 |  |  | 257,400 |  |  | $ | 22.61 |  |  |  |  |  |  |  |  |
Issued |  |  | 121,250 |  |  |  | 32.32 |  |  |  |  |  |  |  |  |
Exercised |  |  | (47,700 | ) |  |  | 17.29 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | (2,950 | ) |  |  | 26.84 |  |  |  |  |  |  |  |  |
Options outstanding at December 31, 2021 |  |  | 328,000 |  |  | $ | 26.94 |  |  |  | 5.6 |  |  | $ | 1,510,216 |
Expected to vest |  |  | 153,700 |  |  | $ | 29.62 |  |  |  | 6.9 |  |  | $ | 580,937 |
Exercisable at December 31, 2021 |  |  | 174,300 |  |  | $ | 24.57 |  |  |  | 3.8 |  |  | $ | 929,279 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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