Restricted Stock (Narrative) (Details) (Restricted Stock [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock compensation expense	$ 557	$ 469
Unrecognized stock-based compensation expense for restricted stock	700
Unrecognized stock-based compensation expense, restricted stock, upon change in control, value	113
Unrecognized stock-based compensation expense, restricted stock, upon change in control, shares	45
Unrecognized stock-based compensation expense, restricted stock, amortized for weighted average period	586
Weighted average period for amortization of unrecognized stock-based compensation, restricted stock	5 years 3 months 15 days
Cost of revenue [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock compensation expense	40	17
Research and development [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock compensation expense	8	21
Selling and Marketing Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock compensation expense	56	61
General and Administrative Expenses [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock compensation expense	453	370
Awards to be issued in next twelve months [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock compensation expense	$ 165