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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

6 Months Ended

Dec. 31, 2018

Fair Value Disclosures [Abstract]

Financial instruments' amortized cost, gross unrealized gains and losses, and fair value

The following tables summarize the Company's financial instruments' adjusted cost, gross unrealized gains and losses, and fair value by significant investment category as of December 31, 2018 (in thousands):

			December 31, 2018
			Adjusted Cost						Gross Unrealized Gains						Gross Unrealized Losses						Fair Value						Cash and Cash Equivalents (1)						Short-Term Investments						Long-Term Investments
Level 1																																							—
Money market funds			$	4,378					$	—					$	—					$	4,378					$	4,378					$	—					$	—
Subtotal			$	4,378					$	—					$	—					$	4,378					$	4,378					$	—					$	—
Level 2
Commercial paper			$	2,581					$	—					$	—					$	2,581					$	—					$	2,581					$	—
Corporate securities			120,578						23						(163)						120,438						—						82,889						37,549
U.S agency securities			7,083						—						(4)						7,079						—						7,079						—
US Government Bonds			16,441						1						(5)						16,437						750						10,940						4,747
Subtotal			$	146,683					$	24					$	(172)					$	146,535					$	750					$	103,489					$	42,296
Total			$	151,061					$	24					$	(172)					$	150,913					$	5,128					$	103,489					$	42,296

(1) Cash and cash equivalents on the consolidated balance sheets includes securities that have a maturity of three months or less at the date of purchase. The carrying amount approximates fair value, primarily due to the short maturity of cash equivalent instruments.

Marketable securities in continuous unrealized loss position

The following table represents the Company's marketable securities that had been in continuous unrealized loss position for less than 12 months and for 12 months or greater as of December 31, 2018 (in thousands):

			December 31, 2018
			Continuous Unrealized Losses
			Less than 12 Months						12 Months or Greater						Total
Fair Value of marketable securities			$	112,900					$	—					$	112,900
Unrealized Loss			$	(172)					$	—					$	(172)

Amortized costs and fair value of investment securities by contractual maturity

The following table represents the adjusted costs and fair value of investment by contractual maturity as of December 31, 2018 (in thousands):

			Available-For-Sale
			Adjusted Cost						Fair Value
Due within 1 year			$	108,696					$	108,617
Due after 1 year through 5 years			42,365						42,296
Total			$	151,061					$	150,913

X

- Definition

Tabular disclosure of fair value amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563

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Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ 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
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Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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