Segment, Customer and Geographical Reporting (Details 1) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 11,532,000	$ 10,255,000	$ 21,560,000	$ 19,443,000
% of Total	100.00%	100.00%	100.00%	100.00%
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 8,773,000	$ 8,129,000	$ 16,233,000	$ 15,481,000
% of Total	76.00%	79.00%	75.00%	80.00%
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 865,000	$ 671,000	$ 1,795,000	$ 1,193,000
% of Total	7.00%	7.00%	8.00%	6.00%
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 1,713,000	$ 1,365,000	$ 3,237,000	$ 2,633,000
% of Total	15.00%	13.00%	15.00%	13.00%
Other [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue	$ 181,000	$ 90,000	$ 295,000	$ 136,000
% of Total	2.00%	1.00%	2.00%	1.00%