Shareholders' Equity - Shares Issued From Treasury (Details) - USD ($)	3 Months Ended	6 Months Ended
Sep. 30, 2016	Jun. 30, 2016	Sep. 30, 2016	Mar. 31, 2016
Class of Stock [Line Items]
Shares Issued Under ESPP Plan (shares)	1,511	1,771	3,282
Closing Market Price (usd per share)	$ 1.33	$ 1.16
Shares Issued Under Loan Program (shares)	0	0	0
Dollar Value of Loans Issued	$ 0	$ 0	$ 0
Repayment of Loans	0	$ 0	0
Loans issued to non-executive employees outstanding	$ 4,000		$ 4,000	$ 4,000
Minimum
Class of Stock [Line Items]
Closing Market Price (usd per share)			$ 1.16
Maximum
Class of Stock [Line Items]
Closing Market Price (usd per share)			$ 1.33

Employee stock purchase plans weighted averages purchase price of shares purchased.

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- Definition

Employee stock purchase plans debt structure direct loan amount.

+ References

No definition available.

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Employee stock purchase plans debt structure direct loan repayment amount.

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- Definition

Employee stock purchase plans debt structure shares issued.

+ References

No definition available.

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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.

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Amounts due from owners or affiliates of the reporting entity related to issuance of the entity's capital stock before cash payment is received (does not include amounts due from officers or directors). This element would also include the receivable for proceeds from the issuance of shares under employee stock option exercises which proceeds have not been received as of the reporting date due to the timing of the transaction date versus the settlement date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29,30)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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