Subordinated Debt Convertible and NonConvertible (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Total subordinated debt, convertible and non-convertible	$ 19,113	$ 18,954
Short-term portion of subordinated debt, convertible and non-convertible		(1,000)
Long-term portion of subordinated debt, convertible and non-convertible	19,113	17,954
10% Convertible Subordinated Note [Member]
Total subordinated debt, convertible and non-convertible	4,185	4,185
Subordinated Promissory Note [Member]
Total subordinated debt, convertible and non-convertible	1,000	1,000
9.5% Convertible Subordinated Note [Member]
Total subordinated debt, convertible and non-convertible	12,500	12,500
8% Convertible Subordinated Note [Member]
Total subordinated debt, convertible and non-convertible	$ 1,428	$ 1,269