Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v2.4.1.9
Subsequent Events (Details) (Subsequent Event, USD $)
0 Months Ended
May 05, 2015
Day
Subsequent Event
 
Subsequent Event [Line Items]  
Share price $ 0.01us-gaap_SharePrice
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Bid price for consecutive calendar days 30opxs_BidPriceForConsecutiveCalendarDays
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
Number calendar days granted to regain compliance 180opxs_NumberCalendarDaysGrantedToRegainCompliance
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember