Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

v3.8.0.1
Income Taxes (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Taxes [Line Items]      
Operating Loss Carryforwards Expiration Year   2020 and through 2037  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   $ 10.6 $ 8.5
Increase (Decrease) In Net Operating Loss Carryforwards     $ 4.8
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   34.00% 34.00%
Unrecognized Deferred Tax Assets, Stock Compensation   $ 1.3  
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount   14.6  
Valuation Allowance, Deferred Tax Asset, Increase Decrease Related to Discontinued Operations, Amount   0.7  
Scenario, Plan [Member]      
Income Taxes [Line Items]      
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 21.00%    
Domestic Tax Authority [Member]      
Income Taxes [Line Items]      
Operating Loss Carryforwards   114.6 $ 104.9
Domestic Tax Authority [Member] | Acquisition of Celleration, Inc [Member]      
Income Taxes [Line Items]      
Operating Loss Carryforwards   47.9 47.9
Domestic Tax Authority [Member] | Choice Therapeutics, Inc. [Member]      
Income Taxes [Line Items]      
Operating Loss Carryforwards   2.5 2.5
State and Local Jurisdiction [Member] | Pennsylvania [Member]      
Income Taxes [Line Items]      
Operating Loss Carryforwards   26.4 24.6
State and Local Jurisdiction [Member] | Florida [Member]      
Income Taxes [Line Items]      
Operating Loss Carryforwards   $ 11.3 $ 10.9