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8. Stockholders' Equity (Details) | 6 Months Ended
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Jun. 30, 2019 USD ($) $ / shares shares
Number of options outstanding, beginning | shares | 37,500
Number of options granted | shares | 0
Number of options exercised | shares | (3,000)
Number of options forfeited | shares | (2,500)
Number of options outstanding, ending | shares | 32,000
Number of options vested and exercisable | shares | 32,000
Weighted average exercise price outstanding, beginning | $ 8.36
Weighted average exercise price granted | .00
Weighted average exercise price exercised | 7.85
Weighted average exercise price forfeited | 7.85
Weighted average exercise price outstanding, ending | 8.45
Weighted average exercise price vested and exercisable | $ 8.45
Weighted average remaining contractual life (in years) outstanding, beginning | 2 years 2 months 26 days
Weighted average remaining contractual life (in years) forfeited | 2 years 14 days
Weighted average remaining contractual life (in years) outstanding, ending | 1 year 9 months 4 days
Weighted average remaining contractual life (in years) vested and exercisable | 1 year 9 months 4 days
Aggregate intrinsic value outstanding, beginning | $ | $ 349,950
Aggregate intrinsic value granted | $ 0
Aggregate intrinsic value exercised | $ | $ 6,270
Aggregate intrinsic value forfeited | $ 13,588
Aggregate intrinsic value outstanding, ending | $ | $ 13,600
Aggregate intrinsic value vested and exercisable | $ | $ 13,600
Restricted Stock |
Number of options outstanding, beginning | shares | 120,499
Number of options granted | shares | 120,586
Number of options exercised | shares | (28,168)
Number of options forfeited | shares | (5,962)
Number of options outstanding, ending | shares | 206,955
Weighted average exercise price outstanding, beginning | $ 17.66
Weighted average exercise price granted | 15.51
Weighted average exercise price exercised | 18.23
Weighted average exercise price forfeited | 15.18
Weighted average exercise price outstanding, ending | $ 16.39
Aggregate intrinsic value outstanding, beginning | $ | $ 2,129,175
Aggregate intrinsic value granted | $ 1,870,487
Aggregate intrinsic value exercised | $ | $ (513,446)
Aggregate intrinsic value forfeited | $ (90,510)
Aggregate intrinsic value outstanding, ending | $ | $ 3,395,706

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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + 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)(3)-(4) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The combined weighted average of the accumulated differences between the fair values on underlying shares and exercises prices to acquire such shares as of the grant date on options that were either forfeited or lapsed. + 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)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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