Debt and Notes Payable (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total	$ 2,720us-gaap_NotesPayableToBank	$ 3,958us-gaap_NotesPayableToBank
Less current maturities	1,113us-gaap_NotesPayableToBankCurrent	1,040us-gaap_NotesPayableToBankCurrent
Total long-term debt - financial institutions	1,607us-gaap_NotesPayableToBankNoncurrent	2,918us-gaap_NotesPayableToBankNoncurrent
Fixed Rate Notes Payable to American Bank, N.A. Due January 1, 2016 [Member]
Debt Instrument [Line Items]
Total	486	911
Fixed Rate Notes Payable to Rabobank Due July 1, 2029 [Member]
Debt Instrument [Line Items]
Total	286	351
Fixed Rate Notes Payable to Rabobank Due January 31, 2030 [Member]
Debt Instrument [Line Items]
Total	316	386
Fixed Rate Notes Payable to Rabobank Due July 31, 2015 [Member]
Debt Instrument [Line Items]
Total		80
Fixed rate Notes Payable to Rabobank [Member]
Debt Instrument [Line Items]
Total		139
Term Notes Payable to HSBC Bank Malaysia Berhad Due March 1, 2015 [Member]
Debt Instrument [Line Items]
Total	417	801
Term Notes Payable to HSBC Bank Malaysia Berhad Due October 25, 2018 [Member]
Debt Instrument [Line Items]
Total	$ 1,215	$ 1,290

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Including the current and noncurrent portions, the carrying value as of the balance sheet date of notes payable to banks, excluding mortgage notes, initially due beyond one year or beyond the operating cycle if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

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- Definition

Current portion of the total carrying amount as of the balance sheet date due within one year or the operating cycle, if longer, on all notes payable to banks paid on an installment with long term maturities. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20

-Article 5

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 210.5-02.19(a)(1),20)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

The total amount due within more than 12 month, or the operating cycle if longer, on all notes payable to banks paid on an installment. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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