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Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of estimated fair values of financial instruments outstanding

The estimated fair values of financial instruments outstanding were (in thousands):

		March 31, 2019
		Cost				Unrealized Gains				Unrealized Losses				Fair Value
Cash and cash equivalents		$	4,765			$	—			$	—			$	4,765
Short-term investments			1,564				—				—				1,564
		$	6,329			$	—			$	—			$	6,329

		December 31, 2018
		Cost				Unrealized Gains				Unrealized Losses				Fair Value
Cash and cash equivalents		$	7,104			$	—			$	—			$	7,104

Schedule of fair value hierarchy for financial assets (cash equivalents and investments)

The following table represents the Company’s fair value hierarchy for its financial assets (cash equivalents and investments) (in thousands):

		March 31, 2019
		Fair Value				Level 1				Level 2				Level 3
Money market funds		$	3,233			$	3,233			$	—			$	—
Corporate notes and commercial paper		$	1,564			$	—			$	1,564			$	—
		December 31, 2018
		Fair Value				Level 1				Level 2				Level 3
Money market funds		$	632			$	632			$	—			$	—

X

- Definition

Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258

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- References

No definition available.

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X

- Definition

Tabular disclosure of the summary of investment holdings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 4
-Subparagraph (SX 210.12-12C)
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611225-123010

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