Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Discontinued Operations (Details Textual)

v3.5.0.2
Note 9 - Discontinued Operations (Details Textual)
3 Months Ended 6 Months Ended
May 02, 2016
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Jun. 30, 2016
USD ($)
Jun. 30, 2015
USD ($)
Dec. 31, 2015
USD ($)
PFMI [Member] | Loss Income from Discontinued Operations, Net of Taxes [Member]            
Asset Impairment Charges     $ 150,000   $ 150,000  
PFMI [Member]            
Disposal Group, Including Discontinued Operation, Consideration $ 450,000          
Disposal Group, Including Discontinued Operation, Consideration, At Closing, Gross 75,000          
Disposal Group, Including Discontinued Operation, Consideration, At Closing, Net 46,000          
Disposal Group, Including Discontinued Operation, Consideration, After Closing $ 375,000          
Disposal Group, Including Discontinued Operation, Consideration, Number of Monthly Installment Payments 60          
Disposal Group, Including Discontinued Operation, Consideration, Installment Payment $ 7,250          
PFSG [Member]            
Payments for Hazardous Waste Management and Permit Violations     201,200   201,200  
Not Held for Sale [Member]            
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment   $ 10,000   $ 10,000   $ 10,000
Number of Previously Shut Down Locations       2    
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment   51,249,000   $ 51,249,000   $ 49,707,000
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent   (264,000) (713,000) (431,000) (936,000)  
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation   $ 0 $ 0 $ 0 $ 0