Income Taxes (Details 3) - USD ($)	Sep. 30, 2017	Sep. 30, 2016
Domestic [Member]
Income Tax [Line Items]
Credits	$ 1,456,000	$ 1,466,000
NOLs	3,750,000	3,303,000
Stock compensation	205,000	143,000
Accruals	352,000	385,000
Intangibles	5,000
Other	140,000	150,000
Gross deferred tax assets	5,908,000	5,447,000
Valuation allowance	(2,342,000)	(4,739,000)
Deferred tax assets, net	3,566,000	708,000
Depreciation	(902,000)	(696,000)
Intangibles	(22,000)	(12,000)
Gross deferred tax liabilities	(924,000)	(708,000)
Net deferred tax asset (liability)	2,642,000	0
Foreign [Member]
Income Tax [Line Items]
Credits	0	0
NOLs	26,000	25,000
Stock compensation	0	0
Accruals	0	0
Intangibles	0
Other	0	0
Gross deferred tax assets	26,000	25,000
Valuation allowance	0	0
Deferred tax assets, net	26,000	25,000
Depreciation	(181,000)	(200,000)
Intangibles	(79,000)	(88,000)
Gross deferred tax liabilities	(260,000)	(288,000)
Net deferred tax asset (liability)	(234,000)	(263,000)
Worldwide [Member]
Income Tax [Line Items]
Credits	1,456,000	1,466,000
NOLs	3,776,000	3,328,000
Stock compensation	205,000	143,000
Accruals	352,000	385,000
Intangibles	5,000
Other	140,000	150,000
Gross deferred tax assets	5,934,000	5,472,000
Valuation allowance	(2,342,000)	(4,739,000)
Deferred tax assets, net	3,592,000	733,000
Depreciation	(1,083,000)	(896,000)
Intangibles	(101,000)	(100,000)
Gross deferred tax liabilities	(1,184,000)	(996,000)
Net deferred tax asset (liability)	$ 2,408,000	$ (263,000)