XML 14 R48.htm IDEA: XBRL DOCUMENT v3.3.0.814

Investments (Schedule of Short-Term Investments) (Details) - USD ($)	Oct. 18, 2015	Apr. 24, 2015
Schedule of Held-to-maturity Securities [Line Items]
Short-term investments	$ 6,999,067	$ 27,019,597
Certificates of Deposits [Member]
Schedule of Held-to-maturity Securities [Line Items]
Short-term investments	0	20,023,145
Commercial Paper [Member]
Schedule of Held-to-maturity Securities [Line Items]
Short-term investments	$ 6,999,067	$ 6,996,452

X

- Definition

Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity, expected to be converted to cash, sold or exchanged within one year or the normal operating cycle.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 45



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26626-111562



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 320



-SubTopic 10



-Section 25



-Paragraph 1



-Subparagraph (c)



-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

+ Details

Name:	us-gaap_HeldToMaturitySecuritiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DebtSecurityAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DebtSecurityAxis=us-gaap_CommercialPaperNotIncludedWithCashAndCashEquivalentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: