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Stock Buyback Plan (Tables) | 12 Months Ended
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Dec. 31, 2019
Equity [Abstract] |
Schedule of stock buyback plan | Activity under the Stock Buyback Plan by year is as follows:
|  | Number of Shares |  |  | Cost of Shares |  |  | Average Cost per Share |
Balance, January 1, 2018 |  |  | 319,789 |  |  | $ | 724,530 |  |  | $ | 2.27 |
Shares purchased during 2018 |  |  | 185,070 |  |  |  | 384,531 |  |  |  | 2.08 |
Balance, December 31, 2018 |  |  | 504,859 |  |  |  | 1,109,061 |  |  |  | 2.20 |
Shares purchased during 2019 |  |  | 319,863 |  |  |  | 555,429 |  |  |  | 1.74 |
Balance, December 31, 2019 |  |  | 824,722 |  |  | $ | 1,664,490 |  |  | $ | 2.02 |

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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