Liquidity and Financial Condition (Details Narrative) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Liquidity And Financial Condition Details Narrative
Working capital	$ 32,000spex_WorkingCapital
Net loss	(30,532)us-gaap_NetIncomeLoss	(17,965)us-gaap_NetIncomeLoss
Accumulated deficit	$ (83,808)	$ (53,276)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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

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