Riot Blockchain, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Disclosure - Significant accounting policies (Policy)
Notes Tables
Notes Details

Stock options and warrants (Schedule of Nonvested Awards) (Details)

v2.4.1.9

Stock options and warrants (Schedule of Nonvested Awards) (Details) (Stock Incentive Plan [Member], USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Stock Incentive Plan [Member]
Nonvested Shares Underlying Options
Beginning balance	319,652
Granted	1,094,500
Vested	(148,617)
Forfeited	(158,335)	(3,667)
Ending balance	1,107,200
Weighted Average Exercise Price
Beginning balance	$ 2.28
Granted	$ 1.89
Vested	$ 2.03
Forfeited	$ 2.06	$ 2.04
Ending balance	$ 1.96
Weighted Average Grant Date Fair Value
Beginning balance	$ 1.85
Granted	$ 1.34
Vested	$ 1.57
Forfeited	$ 1.48
Ending balance	$ 1.44

- Definition

Weighted average exercise price of nonvested options outstanding.

+ References

No definition available.

+ Details

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- Definition

Weighted average exercise price of share-based payment awards that vested during the period.

+ References

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ 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)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Number of non-vested options outstanding.

+ References

No definition available.

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- Definition

Number of non-vested options forfeited.

+ References

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

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No definition available.

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- Definition

Number of options vested.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

+ Details

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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