Summary of Significant Accounting Policies - Leases (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2019
Leases
Operating leases terms			36 months
Right of use asset	$ 112,000	$ 188,000
Long term lease liability	33,000	112,000
Short term lease liability	$ 79,000	$ 76,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OperatingLeaseLiabilityCurrent	us-gaap:OperatingLeaseLiabilityCurrent