Concentrations of Risk	12 Months Ended
Concentrations of Risk	Dec. 31, 2014
Risks and Uncertainties [Abstract]
Concentration Risk Disclosure [Text Block]	Concentrations of credit risk For the years ended December 31, 2014, 2013 and 2012, no customer accounted for 10% or more of revenue. For the year ended December 31, 2014, one customer accounted for 10.7% of accounts receivables, net and unbilled. The Company’s cash and cash equivalents and short-term investments on deposit with any one party and at any point in time may exceed federally insured limits. To date, the Company has not incurred any losses in connection with short-term investments.

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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