Note 11 - Concentration of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2013

Risks and Uncertainties [Abstract]

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	2013						2012
Customer	% Sales			% Accounts  Receivable			% Sales			% Accounts  Receivable
GAD eG		5.1	%		0.0	%		8.3	%		0.0	%
Ericsson		6.2	%		3.4	%		8.2	%		19.0	%
GE		7.6	%		14.2	%		8.2	%		13.6	%
KitASP		2.6	%		0.0	%		7.8	%		0.0	%
IDS LLC		5.9	%		5.2	%		4.5	%		1.6	%
Alcatel		8.5	%		19.9	%		5.8	%		15.6	%
Elosoft		6.7	%		13.3	%		5.6	%		8.6	%
Total		42.6	%		56.0	%		48.4	%		58.4	%