XML 38 R26.htm IDEA: XBRL DOCUMENT
v3.21.1

Note 9 - Incentive Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Notes Tables |
Share-based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Shares |  |  | Weighted- Average Exercise Price Per Share |  |  | Weighted- Average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Value |
Outstanding – January 1, 2019 |  |  | 224,750 |  |  | $ | 3.44 |  |  |  |  |  |  |  |  |
Granted |  |  | 186,200 |  |  |  | 4.31 |  |  |  |  |  |  |  |  |
Exercised |  |  | (2,250 | ) |  |  | (3.20 | ) |  |  |  |  |  |  |  |
Cancelled |  |  | (36,500 | ) |  |  | (3.66 | ) |  |  |  |  |  |  |  |
Outstanding – December 31, 2019 |  |  | 372,200 |  |  | $ | 3.85 |  |  |  | 8.57 |  |  | $ | 379 |
Granted |  |  | 42,300 |  |  |  | 4.34 |  |  |  |  |  |  |  |  |
Exercised |  |  | (14,133 | ) |  |  | (3.78 | ) |  |  |  |  |  |  |  |
Cancelled |  |  | (37,727 | ) |  |  | (3.37 | ) |  |  |  |  |  |  |  |
Outstanding – December 31, 2020 |  |  | 362,640 |  |  | $ | 3.96 |  |  |  | 7.78 |  |  | $ | 1,164 |
Exercisable on December 31, 2020 |  |  | 150,840 |  |  | $ | 3.61 |  |  |  | 7.09 |  |  | $ | 537 |

X
- 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
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration