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Notes Payable (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Total notes payable $ 1,300,229us-gaap_NotesAndLoansPayable $ 1,505,660us-gaap_NotesAndLoansPayable
Less current portion (756,614)us-gaap_LongTermDebtCurrent (391,266)us-gaap_LongTermDebtCurrent
Long-term portion of notes payable 543,615us-gaap_LongTermDebtNoncurrent 1,114,394us-gaap_LongTermDebtNoncurrent
Bank Loan, due April 30, 2014 [Member]    
Debt Instrument [Line Items]    
Bank Loan, due 0us-gaap_LoansPayableToBank
/ us-gaap_LongtermDebtTypeAxis
= inlx_BankLoanDueApril302014Member
13,872us-gaap_LoansPayableToBank
/ us-gaap_LongtermDebtTypeAxis
= inlx_BankLoanDueApril302014Member
Authority Loan No. 1, due September 1, 2015 [Member]    
Debt Instrument [Line Items]    
Authority Loan 600,429us-gaap_OtherLoansPayable
/ us-gaap_LongtermDebtTypeAxis
= inlx_AuthorityLoanNumberOneMember
741,788us-gaap_OtherLoansPayable
/ us-gaap_LongtermDebtTypeAxis
= inlx_AuthorityLoanNumberOneMember
Authority Loan No. 2, due August 1, 2018 [Member]    
Debt Instrument [Line Items]    
Authority Loan 657,006us-gaap_OtherLoansPayable
/ us-gaap_LongtermDebtTypeAxis
= inlx_AuthorityLoanNumberTwoMember
750,000us-gaap_OtherLoansPayable
/ us-gaap_LongtermDebtTypeAxis
= inlx_AuthorityLoanNumberTwoMember
Note payable due December 31, 2015 [Member]    
Debt Instrument [Line Items]    
Total notes payable $ 42,794us-gaap_NotesAndLoansPayable
/ us-gaap_LongtermDebtTypeAxis
= inlx_NotePayableThreeDueDecember312015Member
$ 0us-gaap_NotesAndLoansPayable
/ us-gaap_LongtermDebtTypeAxis
= inlx_NotePayableThreeDueDecember312015Member