Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating activities
Net loss	$ (3,317)	$ (4,525)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Amortization of other intangibles	652	669
Depreciation and amortization of property and equipment	1,553	1,599
Loss on sale of fixed assets	72	0
Provision for doubtful accounts	75	57
Deferred taxes	341	53
Stock-based compensation expense related to stock options and warrants	861	963
Remeasurement gain on subordinated debt	(3)	(202)
Remeasurement gain on derivative liability	(58)	(11)
Changes in operating assets and liabilities:
Accounts receivable	1,341	(4,379)
Inventories	514	(344)
Prepaid expenses and other current assets	(532)	169
Accounts payable and accrued liabilities	(966)	111
Other long-term liabilities	(60)	(86)
Unearned revenue	1,243	2,800
Net cash provided by (used in) operating activities	1,716	(3,126)
Investing activities
Purchases of property and equipment	(339)	(722)
Net cash used in investing activities	(339)	(722)
Financing activities
Proceeds from notes payable	500	2,336
Proceeds from line of credit	17,845	8,535
Payments on notes payable	(1,693)	(2,894)
Payments on line of credit	(17,958)	(6,727)
Payment of debt issuance costs	(36)	(122)
Proceeds from issuance of common stock and warrants	66	710
Proceeds from exercise of common stock options	0	41
Payments on capital lease and financing arrangements	(278)	(252)
Net cash provided by (used in) financing activities	(1,554)	1,627
Changes in cash and cash equivalents due to changes in foreign currency	(5)	(147)
Net decrease in cash and cash equivalents	(182)	(2,368)
Cash and cash equivalents at beginning of period	1,976	4,344
Cash and cash equivalents at end of period	1,794	1,976
Supplemental cash flow information:
Interest paid	529	424
Income taxes paid, foreign	27	31
Non-cash financing and investing activities:
Property and equipment financed by capital lease or accounts payable	402	292
Debt discount	16	179
Stock issued for board of director's fees	164	0
Warrants issued for investor relations services	$ 14	$ 0