Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating Activities:
Net income	$ 2,300	$ 2,653
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,282	909
Stock-based compensation	789	684
Contingent consideration accretion	437	109
Unrealized foreign exchange (income) loss	(663)	135
Deferred taxes	742	753
Other	(5)	(3)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	345	2,194
Inventories	73	(83)
Prepaids and other	(746)	(75)
Accounts payable and accrued liabilities	(2,713)	(1,354)
Income taxes	82	356
Deferred revenue	28
Net cash provided by operating activities	1,951	6,278
Investing Activities:
Purchases of property and equipment	(1,545)	(384)
Purchases of available-for-sale securities	(12,541)
Maturities of available-for-sale securities	7,071
Payments for acquisition, net of cash acquired		(18,166)
Net cash used in investing activities	(7,015)	(18,550)
Financing Activities:
Issuance of common stock	13	10
Payments for taxes related to net share settlement of equity awards	(2,129)	(353)
Payment of deferred financing costs	(38)
Payment of contingent consideration		(305)
Net cash used in financing activities	(2,154)	(648)
Effect of exchange rate changes on cash	(116)
Net change in cash and cash equivalents	(7,334)	(12,920)
Cash and Cash Equivalents:
Beginning of period	24,987	55,588
End of period	17,653	42,668
Supplemental Information:
Cash paid for income taxes	897	42
Noncash transactions from investing and financing activities:
Acquisition of property and equipment on account	227	54
Deferred financing costs in accounts payable	45
Issuance of performance shares, restricted and deferred stock units	$ 2,414	1,073
Creagh Medical Ltd [Member]
Operating Activities:
Net income		(300)
Noncash transactions from investing and financing activities:
Contingent consideration and debt assumed in Creagh Medical transaction		$ 9,857