Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Based Compensation Expense

The following table reflects the statements of income line items for stock based compensation expense for the periods stated:

	For the Three Months Ended March 31,
Operating Expense Category	2014		2013
	(Dollars in thousands)
Cost of revenue	$	81	$	49
Service, rental and maintenance	39		20
Selling and marketing	131		119
General and administrative	835		438
Total stock based compensation	$	1,086	$	626