Note 17 - Contingent Liabilities and Commitments (Details)	1 Months Ended						12 Months Ended
	Apr. 30, 2015 USD ($)	Jun. 30, 2014 USD ($) ft²	Apr. 30, 2014 USD ($)	Apr. 30, 2013 USD ($)	Apr. 30, 2012 USD ($)	Jul. 31, 2011 ft²	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Note 17 - Contingent Liabilities and Commitments (Details) [Line Items]
Payments for Rent							$ 570,078	$ 425,443	$ 184,790
Contractual Obligation							$ 571,615	$ 857,730
Reduction of Escrow Deposit	$ 50,000		$ 50,000	$ 50,000
Standby Letters of Credit [Member]
Note 17 - Contingent Liabilities and Commitments (Details) [Line Items]
Contractual Obligation Reduction Nineteen Months from Initial Term					$ 50,000
Contractual Obligation Reduction Forty-Three Months from Initial Term					50,000
Contractual Obligation Reduction Thirty-One Months from Initial Term					50,000
Contractual Obligation Remaining					100,000
Lawrenceville, New Jersey [Member]
Note 17 - Contingent Liabilities and Commitments (Details) [Line Items]
Area of Real Estate Property (in Square Feet) | ft²						10,870
Lessee Leasing Arrangements, Operating Leases, Term of Contract						66 months
Number of Months in Which Free Rent is Provided						6 months
Payments for Rent					23,000
Escrow Deposit Related To Operating Lease					250,000
Lawrenceville, New Jersey [Member] | Standby Letters of Credit [Member]
Note 17 - Contingent Liabilities and Commitments (Details) [Line Items]
Contractual Obligation					$ 250,000
Premises Located in Huntsville, Alabama [Member]
Note 17 - Contingent Liabilities and Commitments (Details) [Line Items]
Area of Real Estate Property (in Square Feet) | ft²		11,500
Lessee Leasing Arrangements, Operating Leases, Term of Contract		25 months
Operating Leases, Monthly Rent Payment		$ 23,200