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5. Earnings per Share (Details) - shares	3 Months Ended	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2017
Details
Incremental Common Shares Attributable to Dilutive Effect of Written Put Options	2,750,000	3,250,000
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants	1,200,000	1,200,000
Incremental common shares attributable to written put options excluded from dilutive earnings		2,725,000
Incremental common shares attributable to call options and warrants excluded from dilutive earnings		6,387,500

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Incremental common shares attributable to call options and warrants excluded from dilutive earnings

+ References

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Incremental common shares attributable to written put options excluded from dilutive earnings

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 23
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1757-109256

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of outstanding written put options using the reverse treasury stock method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 35
-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e2366-109256

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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