Note 10 - Note Payable (Details) (USD $)	12 Months Ended							1 Months Ended	0 Months Ended	3 Months Ended	9 Months Ended		6 Months Ended	12 Months Ended	28 Months Ended	0 Months Ended		1 Months Ended		6 Months Ended		9 Months Ended	1 Months Ended		3 Months Ended	12 Months Ended			0 Months Ended	1 Months Ended	6 Months Ended	1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Nov. 30, 2011 Lab Equipment [Member] November 2011 Capital Lease [Member]	Nov. 25, 2013 Hercules Warrant [Member] First 50 Percent [Member] Hercules Credit Agreement [Member]	Jun. 30, 2014 Hercules Warrant [Member] First 50 Percent [Member]	Jun. 10, 2014 Hercules Warrant [Member] Second 50 Percent [Member] Hercules Credit Agreement [Member]	Jun. 09, 2014 Hercules Warrant [Member] Second 50 Percent [Member]	Nov. 25, 2013 Hercules Warrant [Member] Hercules Credit Agreement [Member]	Jun. 09, 2014 Hercules Warrant [Member]	Jun. 30, 2014 Hercules Warrant [Member]	Sep. 30, 2014 Hercules Warrant [Member]	Dec. 31, 2013 Hercules Warrant [Member]	Jun. 30, 2014 Oxford & Horizon Warrants [Member]	Dec. 31, 2013 Oxford & Horizon Warrants [Member]	Feb. 28, 2014 November 2011 Capital Lease [Member]	Jun. 10, 2014 Hercules Credit Agreement [Member] EGEN, Inc. [Member]	Jun. 10, 2014 Hercules Credit Agreement [Member] Hercules [Member]	Nov. 25, 2013 Hercules Credit Agreement [Member] Hercules [Member]	Nov. 30, 2013 Hercules Credit Agreement [Member] Hercules [Member]	Jun. 10, 2014 Hercules Credit Agreement [Member] Hercules [Member]	Sep. 30, 2014 Hercules Credit Agreement [Member] Hercules [Member]	Sep. 30, 2014 Hercules Credit Agreement [Member]	Jun. 30, 2012 Oxford and Horizon Credit Agreement [Member] Oxford [Member]	Jun. 30, 2012 Oxford and Horizon Credit Agreement [Member] Horizon [Member]	Mar. 31, 2013 Oxford and Horizon Credit Agreement [Member]	Dec. 31, 2013 Oxford and Horizon Credit Agreement [Member]	Jun. 30, 2014 Oxford and Horizon Credit Agreement [Member]	Jun. 30, 2012 Oxford and Horizon Credit Agreement [Member]	Jun. 20, 2014 EGEN, Inc. [Member]	Nov. 30, 2011 November 2011 Capital Lease [Member]	Jun. 30, 2014 November 2011 Capital Lease [Member]	Nov. 30, 2013 Oxford and Horizon [Member]
Note 10 - Note Payable (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity																			$ 20,000,000									$ 10,000,000
Proceeds from Lines of Credit																	5,000,000		5,000,000	10,000,000
Repayments of Lines of Credit																																4,000,000
Payments to Acquire Businesses, Gross																3,000,000													3,000,000
Debt Instrument, Basis Spread on Variable Rate																		11.25%
Deferred Finance Costs, Net												521,763	73,654						122,378								217,715
Debt Instrument, Unamortized Discount					260,928		215,333												230,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in Shares)				97,493	97,493	97,493	97,493
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)	$ 8.18	$ 10.65						$ 3.59						$ 13.14
Fair Value Assumptions, Expected Volatility Rate	64.74%							102.00%	104.00%				74.30%
Fair Value Assumptions, Risk Free Interest Rate	0.13%							1.37%	1.69%				1.10%
Fair Value Assumptions, Expected Term	1 year 3 months							5 years	4 years 6 months				3 years 6 months
Share Price (in Dollars per share)								$ 3.55	$ 3.07				$ 12.60																$ 3.48
Increase (Decrease) in Other Operating Assets										(521,763)
Adjustments to Additional Paid in Capital, Other										(521,763)
Line of Credit Facility, Original Loan Fee, Percent																					3.50%
Deferred Finance Costs, Gross																					350,000
Interest Expense, Debt																						604,688			146,874
Amortization of Financing Costs																						307,440			31,560
Debt Instrument, Percentage Funded by Certain Lender																							50.00%	50.00%
Loan Tranche Amount																												5,000,000
Repayments of Secured Debt																										4,100,000
Note Stock Conversion Rate														3.00%
Number of Warrants Issued (in Shares)											97,493			11,415
Warrants Issued Expiration Period														7 years
Debt Instrument, Interest Rate, Stated Percentage																									11.75%
Capital Leased Assets, Gross			144,448
Capital Leases of Lessee, Number of Monthly Payments																														30
Debt Instrument, Periodic Payment															5,651
Repayments of Long-term Capital Lease Obligations																															$ 11,303