Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Basis of Presentation (Details Textual)

v3.8.0.1
Description of Business and Basis of Presentation (Details Textual) - USD ($)
3 Months Ended 9 Months Ended
Oct. 05, 2017
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Aug. 31, 2017
Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax   $ 1,700,000 $ 0 $ 1,700,000 $ 3,311,000    
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation   $ 0 0 $ 0 0    
Disposal Group, Including Discontinued Operation, Maximum Amount To be Received for Unsold Inventory           $ 112,000  
Common Stock, Par or Stated Value Per Share   $ 0.001   $ 0.001     $ 0.001
Disposal Group, Including Discontinued Operation, Consideration           3,600,000  
Disposal Group, Including Discontinued Operation, Escrow Deposit, Current   $ 300,000   $ 300,000     $ 0
Accrued Fees and Other Revenue Receivable           $ 200,000  
Other Income   67,000 100,000 67,000 100,000    
Argentum Medical, LLC [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Other Income   67,000   67,000      
Subsequent Event [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Stockholders' Equity, Reverse Stock Split 1-for-10            
Common Stock, Par or Stated Value Per Share $ 0.001            
Purchase Agreement [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax   1,700,000 3,300,000 1,700,000 3,300,000    
Selling, General and Administrative Expenses [Member]              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]              
Amortization of Intangible Assets   $ 43,000 $ 74,000 $ 185,000 $ 260,000