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Stock-Based Compensation - Schedule of Stock Option Activity (Details) | 6 Months Ended
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Jun. 30, 2021 $ / shares shares
Compensation Related Costs [Abstract] |
Number of option and warrants outstanding and exercisable, beginning balance | shares | 121,600
Weighted-average exercise price of option and warrants, beginning balance | $ / shares | $ 7.09
Range of exercise price per common share, beginning balance | $3.57 - $7.27
Number of option and warrants exercised | shares | 0
Weighted-average exercise price of option and warrants exercised | $ / shares | $ 0
Range of exercise price per common share exercised | —
Number of option and warrants expired | shares | (115,600)
Weighted-average exercise price of option and warrants expired | $ / shares | $ 0
Range of exercise price per common share expired | 7.27
Number of option and warrants outstanding and exercisable, ending balance | shares | 6,000
Weighted-average exercise price of option and warrants, ending balance | $ / shares | $ 3.57
Range of exercise price per common share, ending balance | 3.57

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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + 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 (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 -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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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 (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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