Foreign Revenues (Tables)

12 Months Ended

Dec. 31, 2014

Foreign Revenues [Abstract]

Significant foreign revenues from operations

	Years Ended December 31,
	2014			2013
	(in thousands)
Malaysia		$	3,018		$	4,079
China			2,604			3,504
Hong Kong			604			1,448
All other foreign countries			3,231			3,373
Total foreign revenues		$	9,457		$	12,404