Unaudited Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Sales:
Product	$ 23,512	$ 20,345	$ 56,834	$ 58,320
Services	7,020	6,567	18,930	19,407
Total sales	30,532	26,912	75,764	77,727
Cost of sales:
Product	19,934	16,460	48,037	47,750
Services	3,797	3,247	10,779	11,249
Total cost of sales	23,731	19,707	58,816	58,999
Gross profit	6,801	7,205	16,948	18,728
Operating expenses:
Engineering and development	578	779	1,747	2,368
Selling, general and administrative	5,163	4,573	13,621	13,286
Total operating expenses	5,741	5,352	15,368	15,654
Operating income	1,060	1,853	1,580	3,074
Other income (expense):
Foreign exchange gain (loss)	(14)	(55)	68	(118)
Other expense, net	(13)	(21)	(34)	(47)
Total other income (expense)	(27)	(76)	34	(165)
Income before income taxes	1,033	1,777	1,614	2,909
Income tax expense	338	520	533	866
Net income	695	1,257	1,081	2,043
Net income attributable to common stockholders	$ 664	$ 1,198	$ 1,035	$ 1,959
Net income (loss) per share – basic (in Dollars per share)	$ 0.18	$ 0.33	$ 0.28	$ 0.54
Weighted average shares outstanding – basic (in Shares)	3,744	3,618	3,713	3,599
Net income (loss) per share – diluted (in Dollars per share)	$ 0.17	$ 0.32	$ 0.27	$ 0.52
Weighted average shares outstanding – diluted (in Shares)	3,819	3,743	3,811	3,733