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Equity Warrants | 12 Months Ended
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Dec. 31, 2018
Equity Warrants [Abstract] |
Equity Warrants | Note 9 − Equity Warrants In 2015 we issued warrants for the purchase of 25,000 shares of common stock at an exercise price of $7 per share, which expire in April 2020. Information about warrants outstanding as of December 31, 2018 is as follows:
Original Number of Warrants Issued |  |  | Exercise Price per Common Share |  |  | Exercisable at December 31, 2017 |  |  | Became Exercisable |  |  | Exercised |  |  | Terminated / Cancelled / Expired |  |  | Exercisable at December 31, 2018 |  | Expiration Date
| 25,000 |  |  | $ | 7.00 |  |  |  | 25,000 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 25,000 |  | April 2020

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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