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Note 7 - Stockholders' Equity | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] | Note 7 – Stockholders’ Equity Dividend In the third quarter of 2020, we initiated the payment of a quarterly dividend. We intend to continue to pay a quarterly dividend, based on our business results and financial position. The following common share dividends were paid during 2021 and 2020:
Declaration date |  | Dividend |  |  | Total paid |
September 1, 2020 |  | $ | 0.05 |  |  | $ | 677,869 |
December 1, 2020 |  |  | 0.05 |  |  |  | 679,779 |
March 1, 2021 |  |  | 0.05 |  |  |  | 680,247 |
June 1, 2021 |  |  | 0.06 |  |  |  | 816,604 |
September 1, 2021 |  |  | 0.06 |  |  |  | 821,628 |
December 1, 2021 |  |  | 0.06 |  |  |  | 822,120 |
Treasury Stock Effective July 2020, our Board of Directors authorized a one-year repurchase plan for up to 1 million shares of our common stock. During the year ended December 31, 2020, we purchased 23,638 shares of our common stock at an aggregate cost of approximately $146,000 resulting in an average price of $6.20 per share. These shares are held in treasury. We have not purchased any shares of our common stock during 2021. The table below summarized our common stock purchased during 2020 in more detail:
|  | Total shares purchased |  |  | Average price per share |  |  | Total number of shares purchased as part of publicly announced plan |  |  | Approximate dollar value of shares that may be purchased under the plan |
July, 2020 |  |  | 675 |  |  | $ | 6.21 |  |  |  | 675 |  |  | $ | 1,200,000 |
August, 2020 |  |  | 22,963 |  |  |  | 6.20 |  |  |  | 23,638 |  |  |  | 1,000,000 |
Total |  |  | 23,638 |  |  |  |  |  |  |  |  |  |  |  |  |
Additionally, there were 16,785 restricted shares that did not meet the vesting criteria. These shares are also held in treasury. Issuance of Common Stock In October 2021, we issued 4,166 shares of stock pursuant to the exercise of common stock options with a strike price of $8.04 for a total purchase price of $33,495.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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