Revenue earned during the period arising from products sold or services provided under the terms of a contract, not elsewhere specified in the taxonomy. May include government contracts, construction contracts, and any other contract related to a particular project or product.

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Note 13 - Income Taxes (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
Note 13 - Income Taxes (Details Textual) - USD ($)	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Miltek MONOVISC Agreement [Member]
Contracts Revenue			$ 24,700,000
Domestic Tax Authority [Member] \| Internal Revenue Service (IRS) [Member] \| Earliest Tax Year [Member]
Open Tax Year			2011
Foreign Tax Authority [Member] \| Ministry of Economic Affairs and Finance, Italy [Member] \| Earliest Tax Year [Member]
Open Tax Year			2010
Effective Income Tax Rate Reconciliation, Percent	37.00%	39.00%	37.00%	38.00%
Deferred Tax Assets, Valuation Allowance	$ 0		$ 0		$ 0
Income Tax Expense (Benefit)	$ 4,633,038	$ 5,906,298	$ 6,645,665	$ 14,747,080