Convertible Notes and Notes Payable - Convertible notes and notes payable related party (Details) - USD ($)		Mar. 31, 2021	Jun. 30, 2020
Convertible Notes, Related Party		$ 524,000	$ 508,000
Notes Payable Related Party		5,185,000	4,484,000
The Matthews Group
Convertible Notes, Related Party	[1]	1,712,000	1,560,000
Notes Payable Related Party	[2]	3,169,000	2,630,000
Other
Convertible Notes, Related Party	[3]	$ 304,000	$ 294,000

[1] (a) The notes are unsecured, convertible into common stock at $0.08 per share, bear interest at rates ranging from 8% to 10% per annum, and are due on demand.

[2] (b) The notes are unsecured, accrue interest at 10% per annum, and are due on demand. The notes were issued relating to a management services agreement with The Matthews Group (see Note 6) dated December 31, 2015. At June 30, 2020, notes due to The Matthews Group totaled $2,630,000. During the period ended December 31, 2020, $269,000 of notes payable were issued and interest of $118,000 was added to principal, resulting in a balance owed of $3,017,000 at December 31, 2020.

[3] (c) The notes are due to a current and a former director, are unsecured, convertible into common stock at per share amounts ranging from $0.10 to $0.30, and bear interest at rates ranging from 8% to 10% per annum.