15. Quarterly Information (Tables)
|12 Months Ended|
Dec. 31, 2015
|Quarterly Financial Information Disclosure [Abstract]|
Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data.
Reference 1: http://www.xbrl.org/2003/role/presentationRef