Segment Reporting (Tables)	3 Months Ended
Mar. 31, 2015
Segment Reporting [Abstract]
Schedule of operations by geographic segment	Guidance and stabilization sales and services include sales of defense-related and commercial navigation and guidance a

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References+ Details