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Note 1 - SWK Holdings Corporation and Summary of Significant Accounting Policies (Details)
3 Months Ended 9 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2013
Customer 1 [Member]
Sales [Member]
Dec. 31, 2012
Customer 1 [Member]
Accounts Receivable [Member]
Dec. 31, 2012
Customer 2 [Member]
Accounts Receivable [Member]
Sep. 30, 2012
Sales [Member]
Sep. 30, 2013
Sales [Member]
Sep. 30, 2012
Sales [Member]
Sep. 30, 2013
Accounts Receivable [Member]
Dec. 31, 2012
Accounts Receivable [Member]
Note 1 - SWK Holdings Corporation and Summary of Significant Accounting Policies (Details) [Line Items]                      
Number of Operating Segments     1                
Number of Major Customers             3 3 3 3 2
Concentration Risk, Percentage       78.00% 81.00% 16.00% 100.00% 85.00% 100.00% 100.00%  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) 4,205,000 3,480,630