XML 57 R45.htm IDEA: XBRL DOCUMENT v2.4.0.8
Summary of Significant Accounting Policies - Advertising and Warranty Costs (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Advertising Expense and Warranty Accrual [Abstract]      
Advertising expense $ 38,000 $ 57,000 $ 30,000