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

Significant accounting policies (Details)

v3.2.0.727

Significant accounting policies (Details) shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 shares	Jun. 30, 2015 USD ($) item shares	Jun. 30, 2014 USD ($) item shares
Cash, cash equivalents and short-term investments:
Cash and cash equivalent investment portfolio, percentage	20.00%		20.00%
Management fees			$ 16,000	$ 12,000
Accounts receivable:
Accounts receivable, net	$ 24,000		24,000
Allowance for uncollectable accounts	$ 1,600		$ 1,600
Income (loss) per share:
Shares not included in the computation of EPS \| shares	6.2	5.3	6.2	5.3
Accounts receivable [Member] \| Customer concentration [Member]
Concentration Risk [Line Items]
Number of customers \| item			2
Net sales [Member] \| European-based concentration [Member]
Concentration Risk [Line Items]
Number of customers \| item			3	2
Net sales [Member] \| European-based concentration [Member] \| Customer One [Member]
Concentration Risk [Line Items]
Risk percentage			58.00%	37.00%
Net sales [Member] \| European-based concentration [Member] \| Customer Two [Member]
Concentration Risk [Line Items]
Risk percentage			28.00%	63.00%
Net sales [Member] \| European-based concentration [Member] \| Customer Three [Member]
Concentration Risk [Line Items]
Risk percentage			14.00%

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Number of customers contributing to concentration risk during the period.

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