Fair Value (Detail Textuals 1) (Scottish Enterprise Agreement)	12 Months Ended
Dec. 31, 2013 USD ($)	Dec. 31, 2013 GBP (£)	Dec. 31, 2014 USD ($)
Scottish Enterprise Agreement
Maximum guaranteed amount potentially due to SE	$ 6,500,000	£ 4,000,000
Fair value of the liability	$ 20,000		$ 0
Expected volatility (as a percent)	30.00%	30.00%
Probability of falling below a minimum staffing level within prescribed time period (as a percent)	1.00%	1.00%

Represents the probability assumption of falling staffing level below minimum prescribed levels within prescribed time period used in valuing an instrument.

No definition available.

+ Details

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 4

-Subparagraph (b)(1)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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- Definition

Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 460

-SubTopic 10

-Section 50

-Paragraph 5

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12201-110248

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