Income Taxes (Details 2) - USD ($) $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Income Taxes (Details 2)
Net operating losses carryforwards	$ 6,352	$ 6,710
Stock Options	1,333	969,000
Allowance for Doubtful Accounts	124	140
Accrued & prepaid expenses	582	469
Tax Credit Carryforwards	593	404
Interest	2,454
Other	5	4
Total Deferred tax assets	11,443	8,696
Intangibles	(5,149)	(6,006)
Depreciation	(46)	(31)
Total deferred tax liability	5,195	6,037
Deferred tax asset	6,248	2,659
Valuation allowance	6,548	2,805
Net deferred tax liability	$ (300)	$ (146)