Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Income Taxes (Textual) [Abstract]
Income taxes benefit	$ 77,000	$ 76,000	$ (379,000)	$ (228,000)
Statutory rate			34.00%	34.00%
Effective income tax rate noncontrolling interest in PCTEL and change for deferred taxes				6.00%
Deferred tax assets	700,000		700,000		700,000
Domestic deferred tax assets ratable reversal pattern period	15 years
Operating Loss Carryforwards, Expiration Dates	The carry forward rules allow for up to a 20 year carry forward of net operating losses
Average period required to utilize future income	27 years 6 months
Gross unrecognized tax benefit	1,200,000		1,200,000		1,200,000
Decrease in unrecognized tax benefits			$ 700,000
Period Decrease in unrecognized tax benefits related to research credits			12 months