Annual report pursuant to Section 13 and 15(d)

Note 3 - Liquidity (Details Textual)

v3.7.0.1
Note 3 - Liquidity (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Mar. 30, 2017
Mar. 30, 2017
Mar. 23, 2017
Dec. 22, 2016
Sep. 28, 2016
Mar. 23, 2017
Dec. 31, 2016
Dec. 31, 2015
Feb. 27, 2017
Dec. 31, 2014
Cash and Cash Equivalents, at Carrying Value             $ 602,000 $ 8,310,000   $ 23,111,000
Accounts Receivable, Net, Current             2,209,000 2,806,000    
Assets, Current             4,240,000 19,165,000    
Liabilities, Current             16,241,000 23,373,000    
Net Income (Loss) Attributable to Parent             (8,332,000) (11,356,000)    
Net Cash Provided by (Used in) Operating Activities             $ (8,940,000) $ (19,842,000)    
Credit Agreement [Member] | SCM Specialty Finance Opportunities Fund, L.P. [Member] | Revolving Credit Facility [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity         $ 1,200,000          
Debt Instrument, Interest Rate, Increase in Event of Default         5.00%          
Debt Instrument, Fee Amount         $ 12,000          
Debt Instrument, Percentage Used to Determine Monthly Unused Line Fee         0.083%          
Debt Instrument, Percentage Used to Determine Monthly Collateral Management Fee         0.1666%          
Debt Instrument, Percentage Used to Determine Termination Fee, Before First Anniversary         2.00%          
Debt Instrument, Percentage Used to Determine Termination Fee, After First Anniversary         1.00%          
Credit Agreement [Member] | SCM Specialty Finance Opportunities Fund, L.P. [Member] | Revolving Credit Facility [Member] | Prime Rate [Member]                    
Debt Instrument, Basis Spread on Variable Rate         2.75%          
Subsequent Event [Member]                    
Proceeds from Issuance or Sale of Equity           $ 12,200,000        
Subsequent Event [Member] | Debt to Equity Conversion [Member] | Senior Notes [Member]                    
Debt Instrument, Face Amount     $ 9,336,250     9,336,250        
Debt Instrument, Face Amount Less Discount     8,869,437.50     8,869,437.50        
Debt Agreement, Maximum Borrowing Capacity     $ 8,869,437.50     $ 8,869,437.50        
Debt Instrument, Percentage of Face Amount Secured     55.00%              
Debt Instrument, Percentage of Face Amount at Maturity     125.00%              
Debt Instrument, Interest Rate, Stated Percentage     1.01%     1.01%        
Subsequent Event [Member] | Credit Agreement [Member] | SCM Specialty Finance Opportunities Fund, L.P. [Member] | Revolving Credit Facility [Member]                    
Long-term Line of Credit                 $ 0  
Subsequent Event [Member] | Senior Secured Convertible Note [Member] | Debt to Equity Conversion [Member] | Senior Notes [Member]                    
Debt Agreement, Maximum Borrowing Capacity     $ 5,321,662.50     $ 5,321,662.50        
Debt Instrument, Converted Instrument, Percent   80.00%                
Debt Conversion, Original Debt, Amount $ 4,321,663                  
Debt Conversion, Converted Instrument, Shares Issued 1,730,534                  
Subsequent Event [Member] | Senior Secured Note [Member] | Debt to Equity Conversion [Member]                    
Debt Instrument, Face Amount     9,340,000     9,340,000        
Debt Instrument, Face Amount Less Discount     8,900,000     8,900,000        
Subsequent Event [Member] | Senior Secured Note [Member] | Debt to Equity Conversion [Member] | Senior Notes [Member]                    
Debt Instrument, Face Amount     9,300,000     9,300,000        
Debt Agreement, Maximum Borrowing Capacity     $ 3,547,775     $ 3,547,775        
Debt Instrument, Converted Instrument, Percent   80.00%                
Debt Conversion, Original Debt, Amount $ 4,321,663                  
Debt Conversion, Converted Instrument, Shares Issued 1,730,534                  
2016 Equity Offering [Member]                    
Proceeds from Issuance or Sale of Equity       $ 1,900,000            
Proceeds From Issuance or Sale of Equity, Net       $ 1,700,000