XML 48 R37.htm IDEA: XBRL DOCUMENT v3.4.0.3
Note 7 - Customer and Geographic Information - Revenue Percentage by Major Customers (Details) - Sales Revenue, Net [Member] - Customer Concentration Risk [Member]
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Customer A [Member]    
Receivables percentage by major customer 50.00% 44.00%
Customer B [Member]    
Receivables percentage by major customer 14.00% [1] 28.00%
Customer C [Member]    
Receivables percentage by major customer   11.00%
[1] represents less than 10%