Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Changes in Stockholders' Equity

v2.4.1.9
Consolidated Statements of Changes in Stockholders' Equity (USD $)
Common Stock
Additional Paid-In Capital
Retained Earnings / Accumulated Deficit
Other Comprehensive Income / Loss
Treasury Stock
Total
Beginning balance, value at Dec. 31, 2012 $ 1,305,201us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 73,566,820us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (49,727,753)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 915,598us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (5,281,180)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
$ 20,778,686us-gaap_StockholdersEquity
Beginning balance, shares at Dec. 31, 2012 130,520,137us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Exercise of stock options, shares 55,379us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Exercise of stock options, value 554us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
1,536us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      2,090us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Share-based compensation   431,504us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      431,504us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition
Net loss     (8,579,246)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    (8,579,246)us-gaap_NetIncomeLoss
Foreign currency translation       (15,344)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
  (15,344)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Ending balance, value at Dec. 31, 2013 1,305,755us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
73,999,860us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
(58,306,999)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
900,254us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
(5,281,180)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
12,617,690us-gaap_StockholdersEquity
Ending balance, shares at Dec. 31, 2013 130,575,516us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Exercise of stock options, shares 1,984,080us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Exercise of stock options, value 19,841us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
82,092us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      101,933us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Issuance of common stock, shares 13,939,971us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Issuance of common stock 139,400us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
10,671,796us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      10,811,196us-gaap_StockIssuedDuringPeriodValueNewIssues
Issuance of warrants   239,889us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      239,889us-gaap_AdjustmentsToAdditionalPaidInCapitalWarrantIssued
Deemed issuance of shares in reverse merger, shares 13,500,000us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Deemed issuance of shares in reverse merger 135,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
3,615,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      3,750,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
Repurchase and cancellation of shares in Hive Out Agreement, shares (10,000,000)xbio_RepurchaseAndCancellationOfSharesInHiveOutAgreementShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Repurchase and cancellation of shares in Hive Out Agreement (100,000)xbio_RepurchaseAndCancellationOfSharesInHiveOutAgreement
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
  (3,010,325)xbio_RepurchaseAndCancellationOfSharesInHiveOutAgreement
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    (3,110,325)xbio_RepurchaseAndCancellationOfSharesInHiveOutAgreement
Repurchase and cancellation of shares in Acquisition, shares (14,091)xbio_RepurchaseAndCancellationOfSharesInAcquisitionShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Repurchase and cancellation of shares in Acquisition (141)xbio_RepurchaseAndCancellationOfSharesInAcquisition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
141xbio_RepurchaseAndCancellationOfSharesInAcquisition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Share-based compensation   702,042us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      702,042us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition
Net loss     (14,307,104)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
    (14,307,104)us-gaap_NetIncomeLoss
Foreign currency translation       (324,578)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
  (324,578)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
Ending balance, value at Dec. 31, 2014 $ 1,499,855us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
$ 89,310,820us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
$ (75,624,428)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
$ 575,676us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (5,281,180)us-gaap_StockholdersEquity
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_TreasuryStockMember
$ 10,480,743us-gaap_StockholdersEquity
Ending balance, shares at Dec. 31, 2014 149,985,476us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember