Subordinated Debt Convertible and Non-Convertible (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Sep. 30, 2017
Total subordinated debt, convertible and non-convertible	$ 18,406	$ 18,910
Short-term portion of subordinated debt, convertible and non-convertible	(721)	(1,225)
Long-term portion of subordinated debt, convertible and non-convertible	17,685	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	721	1,225
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