Unaudited Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Sales:
Product	$ 15,184	$ 18,684	$ 30,827	$ 33,322
Services	6,798	6,632	13,154	11,910
Total sales	21,982	25,316	43,981	45,232
Cost of sales:
Product	12,559	15,878	25,589	28,103
Services	4,493	3,743	8,329	6,982
Total cost of sales	17,052	19,621	33,918	35,085
Gross profit	4,930	5,695	10,063	10,147
Operating expenses:
Engineering and development	759	573	1,457	1,169
Selling, general and administrative	4,894	4,500	9,322	8,458
Total operating expenses	5,653	5,073	10,779	9,627
Operating income (loss)	(723)	622	(716)	520
Other income (expense):
Foreign exchange gain (loss)	(9)	28	(101)	82
Other income (expense), net	10	(11)	(3)	(21)
Total other income (expense)	1	17	(104)	61
Income (loss) before income taxes	(722)	639	(820)	581
Income tax expense (benefit)	(128)	211	974	196
Net income (loss)	(594)	428	(1,794)	385
Net income (loss) attributable to common stockholders	$ (594)	$ 410	$ (1,794)	$ 357
Net income (loss) per share – basic (in Dollars per share)	$ (0.16)	$ 0.11	$ (0.47)	$ 0.10
Weighted average shares outstanding – basic (in Shares)	3,823	3,724	3,795	3,697
Net income (loss) per share – diluted (in Dollars per share)	$ (0.16)	$ 0.11	$ (0.47)	$ 0.09
Weighted average shares outstanding – diluted (in Shares)	3,823	3,847	3,795	3,807