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 (Stock incentive plan options) (Narrative) (Details)

v3.3.0.814

Stock options and warrants (Stock incentive plan options) (Narrative) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved under the Plan	5,673,127	3,673,127
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	3 years
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period	5 years
Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted	1,094,500
Options granted, exercise price	$ 1.89
Options forfeited	217,427	41,561
Options expired	37,154	36,511
Options forfeited, unvested	180,273	5,050
Options expired, exercise price	$ 11.36	$ 33.86
Options forfeited, unvested, exercise price	$ 2.05	$ 2.15
Fair value of options vested	$ 461,000	$ 1,047,000
Expected to vest	797,000
Unrecognized compensation cost	$ 394,000
Unrecognized compensation cost, period for recognition	1 year
Stock Incentive Plan [Member] \| Independent Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted	344,000
Options granted, exercise price	$ 1.89
Expiration period	10 years
Vesting period	1 year
Vesting rate	25.00%
Stock Incentive Plan [Member] \| Officers and Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted	750,500
Options granted, exercise price	$ 1.89
Expiration period	10 years
Vesting period	2 years
Vesting rate	50.00%

- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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-Publisher FASB

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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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.

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

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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

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

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of non-vested options forfeited.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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