Quarterly report pursuant to Section 13 or 15(d)

Investment in Tess (Shedule of Fair value shares) (Details)

v3.19.2
Investment in Tess (Shedule of Fair value shares) (Details) - Tess Inc [Member]
Apr. 10, 2019
USD ($)
$ / shares
shares
Tess shares held by Riot Blockchain, Inc. | shares 2,708,333
Per share fair value | $ / shares $ 0.03
Fair value of Tess shares held by Riot Blockchain, Inc. | $ $ 90,174