Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Notes Payable (Details Textual)

v3.7.0.1
Note 10 - Notes Payable (Details Textual) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 03, 2017
Jun. 22, 2016
Dec. 31, 2016
Jun. 30, 2017
Jun. 30, 2016
Mar. 31, 2016
Jun. 30, 2017
Jun. 30, 2016
Feb. 28, 2017
May 31, 2015
Jul. 31, 2012
Interest Expense, Debt       $ 43,000 $ 7,500,000   $ 1,800,000 $ 9,700,000      
Amortization of Debt Discount (Premium)       0 5,000   0 78,000      
Paid-in-Kind Interest       40,000 352,000   182,680 1,176,931      
CRG Loan Agreement, Ohio Case [Member]                      
Release of Cash Held in Escrow $ 2,000,000                    
CRG Loan Agreement, Texas Case [Member]                      
Release of Cash Held in Escrow 3,000,000                    
Term Loan Agreement [Member] | Cardinal Health 414 [Member]                      
Letters of Credit Outstanding, Amount 7,000,000                    
Term Loan Agreement [Member] | CRG [Member]                      
Letters of Credit Outstanding, Amount 12,000,000                    
Notes Payable Issued for Prepayment of Insurance Premiums [Member] | IPFS [Member]                      
Debt Instrument, Face Amount     $ 348,000                
Debt Instrument, Interest Rate, Stated Percentage     8.99%                
Debt Instrument, Term     240 days                
Debt Instrument, Periodic Payment     $ 45,000                
Notes Payable     306,000 45,000     45,000        
Capital Royalty Group, Term Loan [Member]                      
Payments to Collection of Collateral on Claims of Default         778,000     778,000      
Payments to Prepayment Premium on Claims of Default         2,100,000     2,100,000      
Debt Instrument, Unamortized Discount         2,000,000     2,000,000      
PPCO [Member] | Platinum Loan Agreement [Member]                      
Line of Credit Facility, Maximum Borrowing Capacity                     $ 50,000,000
Embedded Derivative, Fair Value of Embedded Derivative Liability     153,000 0     0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)       13,000 $ 1,500,000   153,000 2,600,000      
Convertible Debt 1,900,000                    
Paid-in-Kind Interest             183,000 $ 624,000      
Notes Payable     9,487,822 $ 1,952,912     $ 1,952,912        
Repayments of Debt 7,700,000                    
CRG [Member] | Term Loan Agreement [Member]                      
Debt Instrument, Final Payoff Amount, Threshold Above Which the Reporting Entity Will First Pay Without Resorting to Letter of Credit 59,000,000                    
Debt Instrument, Face Amount                   $ 50,000,000  
Debt Instrument, Additional Loans That May Be Made Available Upon the Satisfaction of Certain Conditions                   $ 10,000,000  
Paid-in-Kind Interest           $ 519,000          
Debt Instrument, Interest Rate, Stated Percentage                 14.00%    
Notes Payable     51,700,000                
Primary Bank Account Cash Taken Possession Of By Creditor   $ 4,100,000                  
Repayments of Debt 59,000,000                    
CRG [Member] | Term Loan Agreement [Member] | Minimum [Member]                      
Debt Instrument, Agreed-upon Final Payoff Amount 47,000,000                    
CRG [Member] | Term Loan Agreement [Member] | Maximum [Member]                      
Debt Instrument, Agreed-upon Final Payoff Amount $ 66,000,000                    
CRG [Member] | Term Loan Agreement [Member] | Accrued Liabilities and Other [Member]                      
Interest Payable, Current     $ 5,800,000