Note 10 - Subsequent Events (Details Textual) - Subsequent Event [Member]	Oct. 02, 2015 USD ($) $ / shares shares
Delphax and Delphax Canada [Member] | Senior Subordinated Notes [Member]
Payments to Acquire Investments	$ 500,000
Term of Investment	90 days
Face Value of Investment	$ 500,000
Investments, Interest Rate, Stated Percentage	12.00%
Investment, Maturity Date	Dec. 31, 2015
Delphax and Delphax Canada [Member] | Securities Purchase Agreement [Member] | Series B Preferred Stock [Member]
Contingent Investments, Number of Shares to be Acquired | shares	43,000
Delphax and Delphax Canada [Member] | Securities Purchase Agreement [Member]
Contingent Amount Receivable , in Investment	$ 120,000
Delphax Canada [Member] | Five Year Senior Subordinated Promissory Note [Member] | Securities Purchase Agreement [Member]
Contingent Investments Face Amount	$ 2,500,000
Contingent Investments Interest Rate Stated Percentage	8.50%
Delphax [Member] | Securities Purchase Agreement [Member] | Common Stock [Member]
Convertible Preferred Stock, Shares Issued upon Conversion | shares	100
Delphax [Member] | Securities Purchase Agreement [Member] | Series B Preferred Stock [Member]
Contingent Investments, Cash to be Paid to Acquire Securities	$ 1,050,000
Contingent Investment Warrant to be Issued to Acquire Additional Shares | shares	95,600
Contingent Investment, Share price | $ / shares	$ 33.4728
Percentage of Number of Shares and Interest in Warrant Held	50.00%
Delphax [Member] | Securities Purchase Agreement [Member] | Series A Preferred Stock [Member]
Percentage of Number of Shares and Interest in Warrant Held	50.00%
Delphax [Member] | Securities Purchase Agreement [Member]
Percentage, Number of Stock to be acquired in Entity	38.30%
Percentage Number of Shares to be Acquired from Reserved Under Employee Stock Option Plan	30.50%
Investment,Threshold Trading Days	20 days
Third Party Percentage of Investment	27.60%
Contingent Amount Receivable , in Investment	$ 20,000
Number of Days for Change in Control	180 days