Significant Risk Concentrations (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Significant Risk Concentrations (Additional Textual) [Abstract]
Expiration date one of OEM Distribution agreements for embedded operating systems	Jun. 30, 2013
Expiration date of OEM Distribution agreements for mobile operating systems	Dec. 31, 2012
Expiration date one of OEM Distribution agreements for mobile operating systems	Jun. 30, 2014
Earnings under the rebate program	$ 888,000	$ 746,000
Revenue from distribution right of Windows Mobile in Korea	4,500,000	4,600,000
Total revenue [Member]
Significant Risk Concentrations (Textual) [Abstract]
Number of other customer account as major customer	0	0
Total accounts receivable [Member]
Significant Risk Concentrations (Textual) [Abstract]
Number of other receivable accounts as major receivable	0	0
Total accounts receivable, percent	10.00%	10.00%
Ford Motor Company [Member]
Significant Risk Concentrations (Textual) [Abstract]
Percentage of total revenue		10.00%
Total revenue		9,700,000
Accounts receivable		1,600,000
Total accounts receivable, percent		12.00%
Bluebird Soft, Inc.[Member]
Significant Risk Concentrations (Textual) [Abstract]
Accounts receivable	$ 2,100,000
Total accounts receivable, percent	13.00%