Condensed Financial Information - Foreign currency (Details) - VEF / $	Sep. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
CADIVI [Member]
Schedule of Foreign Currency [Line Items]
Venezuela Currency exchange rate			6.3
SICAD I [Member]
Schedule of Foreign Currency [Line Items]
Venezuela Currency exchange rate			12
SICAD II [Member]
Schedule of Foreign Currency [Line Items]
Venezuela Currency exchange rate			52
SIMADI [Member]
Schedule of Foreign Currency [Line Items]
Venezuela Currency exchange rate	199	193