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

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