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Fair Value Measurement (Tables) | 3 Months Ended
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Sep. 30, 2017
Fair Value Disclosures [Abstract] |
Schedule of fair value of financial instruments | The following tables present the carrying amounts, estimated fair values, and valuation input levels of certain financial instruments as of September 30, 2017, and June 30, 2017:
|  | September 30, 2017
|  | Carrying |  | Fair Value Measured Using |  | Fair
(in thousands) |  | Amount |  | Level 1 |  | Level 2 |  | Level 3 |  | Value
Available-for-Sale Securities |  |  |  |  |  |  |  |  |  |
Mutual Funds - Corporate & Government Debt |  | $ | 8,158 |  |  | $ | 8,158 |  |  | $ | — |  |  | $ | — |  |  | $ | 8,158 |
Bonds: 0-1 year |  | 1,654 |  |  | — |  |  | 1,654 |  |  | — |  |  | 1,654 |
Bonds: 1-3 years |  | 881 |  |  | — |  |  | 881 |  |  | — |  |  | 881 |
Time deposits: 91-360 days |  | 250 |  |  | — |  |  | 250 |  |  | — |  |  | 250 |
Time deposits: over 360 days |  | 547 |  |  | — |  |  | 547 |  |  | — |  |  | 547 |
Total |  | $ | 11,490 |  |  | $ | 8,158 |  |  | $ | 3,332 |  |  | $ | — |  |  | $ | 11,490 |
|  | June 30, 2017
|  | Carrying |  | Fair Value Measured Using |  | Fair
(in thousands) |  | Amount |  | Level 1 |  | Level 2 |  | Level 3 |  | Value
Available-for-Sale Securities |  |  |  |  |  |  |  |  |  |
Mutual Funds - Corporate & Government Debt |  | $ | 9,043 |  |  | $ | 9,043 |  |  | $ | — |  |  | $ | — |  |  | $ | 9,043 |
Bonds: 0-1 year |  | 1,607 |  |  | — |  |  | 1,607 |  |  | — |  |  | 1,607 |
Bonds: 1-3 years |  | 1,441 |  |  | — |  |  | 1,441 |  |  | — |  |  | 1,441 |
Time deposits: 91-360 days |  | 250 |  |  | — |  |  | 250 |  |  | — |  |  | 250 |
Time deposits: over 360 days |  | 549 |  |  | — |  |  | 549 |  |  | — |  |  | 549 |
Total |  | $ | 12,890 |  |  | $ | 9,043 |  |  | $ | 3,847 |  |  | $ | — |  |  | $ | 12,890 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are 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. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + 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 (bb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=66048111&loc=SL7498348-110258 Reference 6: 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 + Details
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