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Mezzanine and Shareholders’ Equity (Tables) | 12 Months Ended
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Dec. 31, 2017
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The stock options under the Exclusivity Amendment Agreement were accounted for at fair value, as determined using the Black-Scholes option pricing model and the following assumptions:
Year ended December 31, |  | 2017 |  | 2016 |
Expected term |  |  | 0.93 - 1.75 years |  |  | 2.75 years |
Expected volatility |  |  | 38.10% - 41.60 | % |  | 53.01 | %
Risk-free interest rate |  |  | 1.64% - 1.86 | % |  | 1.47 | %
Market value of common stock |  |  | $0.52 - $0.76 |  |  | $0.52 - $0.76 |
Annual dividend yield |  |  | 2.23% - 3.53 | % |  | 2.51% - 3.53 | %
Forfeiture rate |  |  | 0% - 6.8 | % |  | 8 | %
Warrants Outstanding | Warrants consisted of the following:
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |
Warrants outstanding at January 1, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants assumed in the Merger |  |  | 1,898,541 |  | $ | 9.06 |  |  | 2.69 |  | $ | 14.94 |
Warrants granted |  |  | 1,750,000 |  |  | 10.49 |  |  | 5.00 |  |  | 13.51 |
Warrants exercised |  |  | - |  |  | - |  |  | - |  |  | - |
Warrants forfeited |  |  | - |  |  | - |  |  | - |  |  | - |
Warrants outstanding at December 31, 2017 |  |  | 3,648,541 |  | $ | 9.75 |  |  | 3.74 |  | $ | 14.25 |
|  | Weighted-Average Per Share Intrinsic Value |  | Number of Warrants |
Outstanding at December 31, 2016 |  | $ | - |  |  | - |
Warrants assumed in the Merger |  |  | 0.94 |  |  | 1,898,541 |
Granted |  |  | - |  |  | 1,750,000 |
Exercised |  |  | - |  |  | - |
Cancelled |  |  | - |  |  | - |
Outstanding at December 31, 2017 |  | $ | 14.25 |  |  | 3,648,541 |
|  |  |  |  |  |  |  |  |  |  |  | Weighted |
|  |  |  |  |  | Weighted |  |  |  |  | Average |
|  |  |  |  |  | Average |  |  |  |  | Exercise Price |
Exercise Price Per |  | Warrants |  | Remaining |  | Warrants |  | Per |
Share |  | Outstanding |  | Contractual Life |  | Exercisable |  | Share |
$ | 4.00 - 4.50 |  |  | 116,875 |  |  | 0.24 |  |  | 116,875 |  | $ | 4.41 |
| 9.00 – 10.00 |  |  | 2,681,666 |  |  | 3.51 |  |  | 2,681,666 |  |  | 9.58 |
| 11.00 |  |  | 850,000 |  |  | 4.94 |  |  | 850,000 |  |  | 11.00 |
$ | 4.50 –10.00 |  |  | 3,648,541 |  |  | 3.74 |  |  | 3,648,541 |  | $ | 9.75 |
Contracted physicians and other services [Member] |
Stock Option Transactions Under Stock Option Plans | Share-based compensation expense related to common stock option awards granted in connection with the Exclusivity Amendment Agreement recognized over their respective vesting periods is as follows:
Year ended December 31, |  | 2017 |  | 2016 |
Contracted physicians and other services |  | $ | 2,113,116 |  | $ | 1,512,740 |
Exclusivity Amendment Agreement, NMM [Member] |
Stock Option Transactions Under Stock Option Plans | The Company’s stock option activity for options grants under the Exclusivity Amendment Agreement for NMM is summarized below:
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |
Options outstanding at January 1, 2016 |  |  | 139,016 |  | $ | 2.44 |  |  | 3.75 |  | $ | 473,363 |
Options granted |  |  | - |  |  | - |  |  | - |  |  | - |
Options exercised |  |  | - |  |  | - |  |  | - |  |  | - |
Options forfeited |  |  | - |  |  | - |  |  | - |  |  | - |
Options outstanding at December 31, 2016 |  |  | 139,016 |  | $ | 2.44 |  |  | 2.75 |  | $ | 717,155 |
Options exercisable at December 31, 2016 |  |  | 139,016 |  | $ | 2.44 |  |  | 2.75 |  | $ | 717,155 |
Options outstanding at January 1, 2017 |  |  | 139,016 |  | $ | 2.44 |  |  | 2.75 |  | $ | 717,155 |
Options granted |  |  |  |  |  |  |  |  |  |  |  |  |
Options exercised |  |  | (102,199) |  |  | 2.44 |  |  | - |  |  | 527,223 |
Options forfeited |  |  | (36,817) |  |  | 2.44 |  |  | - |  |  | - |
Options outstanding at December 31, 2017 |  |  | - |  | $ | - |  |  | - |  | $ | - |
Options exercisable at December 31, 2017 |  |  | - |  | $ | - |  |  | - |  | $ | - |
Exclusivity Amendment Agreement, APC [Member] |
Stock Option Transactions Under Stock Option Plans | The Company’s stock option activity for options grants under the Exclusivity Amendment Agreement for APC is summarized below:
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |
Options outstanding at January 1, 2016 |  |  | 1,910,400 |  | $ | 0.167 |  |  | 3.75 |  | $ | 960,931 |
Options granted |  |  | - |  |  | - |  |  | - |  |  | - |
Options exercised |  |  | - |  |  | - |  |  | - |  |  | - |
Options forfeited |  |  | - |  |  | - |  |  | - |  |  | - |
Options outstanding at December 31, 2016 |  |  | 1,910,400 |  | $ | 0.167 |  |  | 2.75 |  | $ | 1,138,598 |
Options exercisable at December 31, 2016 |  |  | 1,910,400 |  | $ | 0.167 |  |  | 2.75 |  | $ | 1,138,598 |
Options outstanding at January 1, 2017 |  |  | 1,910,400 |  | $ | 0.167 |  |  | 2.75 |  | $ | 1,138,598 |
Options granted |  |  | - |  |  | - |  |  | - |  |  | - |
Options exercised |  |  | (1,056,600) |  |  | 0.167 |  |  | - |  |  | 629,734 |
Options forfeited |  |  | - |  |  | - |  |  | - |  |  | - |
Options outstanding at December 31, 2017 |  |  | 853,800 |  | $ | 0.167 |  |  | 1.75 |  | $ | 508,864 |
Options exercisable at December 31, 2017 |  |  | 853,800 |  | $ | 0.167 |  |  | 1.75 |  | $ | 508,864 |
Employee Stock Option [Member] |
Stock Option Transactions Under Stock Option Plans | The activity of stock options under the 2010, 2013 and 2015 Plans are as follows:
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value |
Options outstanding at January 1, 2017 |  |  | - |  | $ | - |  |  | - |  | $ | - |
Options assumed in the Merger (see Note 3) |  |  | 1,141,040 |  |  | 3.95 |  |  | 5.85 |  |  | 5.81 |
Options granted |  |  | - |  |  | - |  |  | - |  |  | - |
Options exercised |  |  | - |  |  | - |  |  | - |  |  | - |
Options forfeited |  |  | - |  |  | - |  |  | - |  |  | - |
Options outstanding at December 31, 2017 |  |  | 1,141,040 |  | $ | 3.95 |  |  | 5.79 |  | $ | 19.81 |
Options exercisable at December 31, 2017 |  |  | 1,141,040 |  | $ | 3.95 |  |  | 5.79 |  | $ | 19.81 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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