Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Activities:
Net income	$ 3,338	$ 6,665
Adjustments to reconcile net income to net cash provided by operating activities from continuing operations:
Depreciation and amortization	2,297	1,389
Stock-based compensation	1,899	1,211
Contingent consideration accretion and unrealized foreign exchange loss	1,065
Deferred taxes	2,060	795
Gain on sales of available-for-sale securities and strategic investment	(361)	(515)
Excess tax benefit from stock-based compensation plans	(136)	(442)
Other	(18)	(40)
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	874	(176)
Inventories	(97)	(378)
Prepaids and other	9	(245)
Accounts payable and accrued liabilities	439	(609)
Income taxes	(1,925)	(825)
Net cash provided by operating activities from continuing operations	9,444	6,830
Investing Activities:
Purchases of property and equipment	(983)	(163)
Cash proceeds from sales of property and equipment	15	42
Payments for acquisitions, net of cash acquired	(25,149)
Purchases of available-for-sale securities		(3,385)
Sales and maturities of available-for-sale securities		3,176
Cash received from sale of strategic investment	361
Cash transferred to discontinued operations		(45)
Net cash used in investing activities from continuing operations	(25,756)	(375)
Financing Activities:
Excess tax benefit from stock-based compensation plans	136	442
Issuance of common stock	225	348
Repurchase of common stock		(20,000)
Purchase of common stock to pay employee taxes	(366)	(741)
Payment of contingent consideration	(305)
Net cash used in financing activities from continuing operations	(310)	(19,951)
Net cash used in continuing operations	(16,622)	(13,496)
Discontinued Operations:
Net cash used in operating activities		(45)
Net cash provided by financing activities		45
Effect of exchange rate changes on cash	23
Net change in cash and cash equivalents	(16,599)	(13,496)
Cash and Cash Equivalents:
Beginning of period	55,588	43,511
End of period	38,989	30,015
Supplemental Information:
Cash paid for income taxes	2,486	2,981
Noncash transactions from investing and financing activities:
Acquisition of property and equipment on account	99	155
Contingent consideration and debt assumed in acquisitions	13,374
Issuance of performance shares, restricted and deferred stock units	$ 1,327	$ 2,250