CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) [Abstract]
Service revenue	$ 4,530	$ 4,526	$ 8,928	$ 9,442
Product revenue	1,196	1,386	2,643	2,690
Total revenue	5,726	5,912	11,571	12,132
Cost of service revenue	3,242	3,330	6,498	6,653
Cost of product revenue	682	570	1,367	1,322
Total cost of revenue	3,924	3,900	7,865	7,975
Gross profit	1,802	2,012	3,706	4,157
Operating expenses:
Selling	426	479	762	916
Research and development	138	170	329	313
General and administrative	1,210	1,258	2,445	2,361
Total operating expenses	1,774	1,907	3,536	3,590
Operating income	28	105	170	567
Interest expense	(75)	(121)	(156)	(285)
Change in fair value of warrant liability - decrease (increase)	199	(200)	319	(1,161)
Other income (expense)	(1)	4	1	5
Net income (loss) before income taxes	151	(212)	334	(874)
Income taxes	1	7	2	7
Net income (loss)	150	(219)	332	(881)
Other comprehensive income (loss):
Fair value adjustment of interest rate swap	(15)		(25)
Foreign currency translation adjustment	51	(8)	93	(34)
Comprehensive income (loss)	$ 186	$ (227)	$ 400	$ (915)
Basic net income (loss) per share	$ 0.02	$ (0.03)	$ 0.04	$ (0.11)
Diluted net income (loss) per share	$ (0.01)	$ (0.03)	$ 0.00	$ (0.11)
Weighted common shares outstanding:
Basic	8,076	7,964	8,076	7,848
Diluted	8,105	7,964	8,863	7,848