Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Subsequent Events (Details Textual)

v3.5.0.2
Note 12 - Subsequent Events (Details Textual)
1 Months Ended 3 Months Ended 9 Months Ended
Nov. 17, 2016
USD ($)
Oct. 11, 2016
USD ($)
$ / shares
shares
Mar. 24, 2016
Dec. 31, 2016
USD ($)
Mar. 31, 2016
Sep. 30, 2016
USD ($)
Nov. 16, 2016
USD ($)
Aug. 22, 2016
USD ($)
Aug. 31, 2007
USD ($)
Amendment to the Revised Loan Agreement [Member] | Subsequent Event [Member] | PNC Bank [Member] | Prime Rate [Member] | Revolving Credit Facility [Member]                  
Debt Instrument, Basis Spread on Variable Rate 2.00%                
Amendment to the Revised Loan Agreement [Member] | Subsequent Event [Member] | PNC Bank [Member] | Prime Rate [Member] | Term Loan [Member]                  
Debt Instrument, Basis Spread on Variable Rate 2.50%                
Amendment to the Revised Loan Agreement [Member] | Subsequent Event [Member] | PNC Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]                  
Debt Instrument, Basis Spread on Variable Rate 3.00%                
Amendment to the Revised Loan Agreement [Member] | Subsequent Event [Member] | PNC Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member]                  
Debt Instrument, Basis Spread on Variable Rate 3.50%                
Amendment to the Revised Loan Agreement [Member] | Subsequent Event [Member] | PNC Bank [Member]                  
Debt Instrument, Covenant, Fixed Charge Coverage Ratio 1.15                
Line of Credit Facility Reduction, Additional Reduction $ 750,000                
Debt Instrument, Fee Amount $ 25,000                
Amendment to the Revised Loan Agreement [Member] | PNC Bank [Member] | Scenario, Forecast [Member]                  
Line of Credit Facility Reduction, Additional Reduction       $ 750,000          
Line of Credit Facility Reduction       $ 2,000,000          
Revised Loan Agreement [Member] | Subsequent Event [Member] | PNC Bank [Member]                  
Line of Credit Facility Reduction             $ 500,000    
Revised Loan Agreement [Member] | PNC Bank [Member] | Prime Rate [Member] | Revolving Credit Facility [Member]                  
Debt Instrument, Basis Spread on Variable Rate     1.75%            
Revised Loan Agreement [Member] | PNC Bank [Member] | Prime Rate [Member] | Term Loan [Member]                  
Debt Instrument, Basis Spread on Variable Rate     2.25%     3.50%      
Revised Loan Agreement [Member] | PNC Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]                  
Debt Instrument, Basis Spread on Variable Rate     2.75%            
Revised Loan Agreement [Member] | PNC Bank [Member] | London Interbank Offered Rate (LIBOR) [Member] | Term Loan [Member]                  
Debt Instrument, Basis Spread on Variable Rate     3.25%            
Revised Loan Agreement [Member] | PNC Bank [Member]                  
Debt Instrument, Covenant, Fixed Charge Coverage Ratio         1.15        
Debt Instrument, Fee Amount               $ 25,000  
Subsequent Event [Member] | Private Investor [Member] | PFM Corportation [Member] | Warrants Issued with Letter of Intent Agreement [Member]                  
Warrant Term   3 years              
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares   0.75              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares   $ 9              
Subsequent Event [Member] | Private Investor [Member]                  
Letter of Intent Agreement, Execution Term   90 days              
Letter of Intent Agreement, Purchase of Preferred Stock, Amount   $ 10,000,000              
Letter of Intent Agreement, Purchase of Preferred Stock, Per Share | $ / shares   $ 8              
Letter of Intent Agreement, Percentage of Voting Rights to be Owned Upon Closing   48.60%              
Subsequent Event [Member] | Perma-Fix Environmental Services, Inc. [Member] | PFM Corportation [Member] | Warrants Issued with Letter of Intent Agreement [Member]                  
Warrant Term   3 years              
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares   183,606              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares   $ 14              
Subsequent Event [Member] | PF Medical [Member]                  
Letter of Intent Agreement, Due from Affiliate After Closing, Amount   $ 500,000              
Letter of Intent Agreement, Due from Affiliate After Closing, Payback Period   30 days              
Letter of Intent Agreement, Affiliate Balance After Closing, Payback Period   120 days              
Perma-Fix Northwest Richland, Inc [Member] | American International Group, Inc [Member]                  
Financial Assurance Coverage Amount under Second Insurance Policy           $ 7,973,000     $ 7,800,000
Sinking Fund Related to Second Insurance Policy           $ 5,900,000