Subordinated Debt Convertible and Non-Convertible (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Sep. 30, 2018
Total subordinated debt, convertible and non-convertible	$ 17,685	$ 17,791
Short-term portion of subordinated debt, convertible and non-convertible	(1,000)	(106)
Long-term portion of subordinated debt, convertible and non-convertible	16,685	17,685
10% Convertible Subordinated Note [Member]
Total subordinated debt, convertible and non-convertible	4,185	4,185
Amended and Restated Non-negotiable promissory note [Member]
Total subordinated debt, convertible and non-convertible		106
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