Annual report pursuant to Section 13 and 15(d)

13. Related Party Transactions (Details Narrative)

v2.4.1.9
13. Related Party Transactions (Details Narrative) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Payments to related parties $ 286,124us-gaap_RepaymentsOfRelatedPartyDebt $ 0us-gaap_RepaymentsOfRelatedPartyDebt
SynBio LLC    
Due to related party 395,000us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= xbio_SynBioMember
681,124us-gaap_DueToRelatedPartiesCurrentAndNoncurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= xbio_SynBioMember
Payments to related parties 286,124us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= xbio_SynBioMember
0us-gaap_RepaymentsOfRelatedPartyDebt
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= xbio_SynBioMember
Non-Employee Director    
Professional fees $ 133,381us-gaap_ProfessionalFees
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= xbio_NonEmployeeDirectorMember