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Investments (Tables)

12 Months Ended

Sep. 30, 2016

Summary of Investments by Type of Security

The following table summarizes investments by security type as of September 30, 2016 and 2015 (amounts shown in thousands):

		September 30, 2016
		Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Market Value
Available-for-sale securities:
US Treasury		$	12,907			$	8			$	—			$	12,915
Corporate debt securities, short-term			11,949				2				(3	)			11,948
Corporate debt securities, long-term			1,954				1				(3	)			1,952
Total		$	26,810			$	11			$	(6	)		$	26,815

		September 30, 2015
		Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Market Value
Available-for-sale securities:
Corporate debt securities, short-term		$	23,924			$	3			$	(6	)		$	23,921
Total		$	23,924			$	3			$	(6	)		$	23,921

Summary of Fair Value of Investments Measured on Recurring Basis

		Balance				Quoted Prices in Active Markets (Level 1)				Significant Other Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
September 30, 2016:
Assets:
Short-term investments:
US Treasury		$	12,915			$	12,915			$	—			$	—
Corporate debt securities
Financial			3,963				—				3,963				—
Industrial			4,445				—				4,445				—
Commercial paper
Industrial			697				—				697				—
Financial			2,843				—				2,843				—
Total short-term investments at fair value			24,863				12,915				11,948				—
Long-term investments:
Corporate debt securities
Financial			502				—				502				—
Industrial			1,450				—				1,450				—
Total assets at fair value		$	26,815			$	12,915			$	13,900			$	—
Liabilities:
Acquisition-related contingent consideration			252				—				—				252
Total liabilities at fair value		$	252			$	—			$	—			$	252
September 30, 2015:
Assets:
Short-term investments:
Corporate debt securities
Financial		$	10,308			$	—			$	10,308			$	—
Industrial			9,665				—				9,665				—
Utility			1,802				—				1,802				—
Commercial paper
Industrial			1,448				—				1,448				—
Financial			698				—				698				—
Total assets at fair value		$	23,921			$	—			$	23,921			$	—
Liabilities:
Acquisition-related contingent consideration			47				—				—				47
Total liabilities at fair value		$	47			$	—			$	—			$	47

Contingent Consideration [Member]

Summary of Acquisition-related Contingent Consideration Measured at Fair Value

The following table includes a summary of the Acquisition-related contingent consideration measured at fair value using significant unobservable inputs (Level 3) during the year ended September 30, 2016 (amounts shown in thousands):

Balance at September 30, 2015						$	47
Expenses recorded due to changes in fair value							293
Issuance of common stock							(88	)
Balance at September 30, 2016						$	252

X

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258

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