Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Commitments and Contingencies (Details Textual)

Note 12 - Commitments and Contingencies (Details Textual) - USD ($)							6 Months Ended
	Nov. 02, 2017	May 16, 2017	May 12, 2017	Mar. 03, 2017	Oct. 11, 2016	Jun. 22, 2016	Jun. 30, 2017	Sep. 30, 2017
CRG Loan Agreement, Ohio Case [Member]
Release of Cash Held in Escrow				$ 2,000,000
CRG Loan Agreement, Texas Case [Member]
Release of Cash Held in Escrow				3,000,000
Former CEO Arbitration [Member]
Litigation Settlement, Salary, Bonus, and Benefits, Amount Awarded to Other Party			$ 481,039
Litigation Settlement, Amount Awarded to Other Party		$ 617,880
FTI Consulting, Inc. Litigation [Member] \| Pending Litigation [Member] \| Investigative and Consulting Services [Member]
Litigation Settlement, Amount Awarded to Other Party							$ 435,000
Loss Contingency, Damages Sought, Value					$ 730,264		$ 862,165
Platinum-Montaur Life Sciences LLC Litigation [Member] \| Pending Litigation [Member] \| Subsequent Event [Member]
Loss Contingency, Damages Sought, Value	$ 1,914,827
Minimum [Member] \| FTI Consulting, Inc. Litigation [Member] \| Pending Litigation [Member]
Loss Contingency, Damages Sought, Value					782,600
Minimum [Member] \| FTI Consulting, Inc. Litigation [Member] \| Pending Litigation [Member] \| Purported Interest Due on Unpaid Invoices, Plus Attorneys' Fees, Costs and Expenses [Member]
Loss Contingency, Damages Sought, Value					$ 52,337
Maximum [Member] \| Sinotau Litigation [Member] \| Pending Litigation [Member]
Loss Contingency, Estimate of Possible Loss								$ 7,000,000
Term Loan Agreement [Member] \| Cardinal Health 414 [Member]
Letters of Credit Outstanding, Amount				7,000,000
Term Loan Agreement [Member] \| CRG [Member]
Letters of Credit Outstanding, Amount				12,000,000
CRG [Member] \| Term Loan Agreement [Member]
Primary Bank Account Cash Taken Possession Of By Creditor						$ 4,100,000
Primary Bank Account Cash Taken Possession Of By Creditor, Portion Applied to Fees						3,900,000
Primary Bank Account Cash Taken Possession Of By Creditor, Portion Applied to the Principal Balance of Debt						$ 189,000
Repayments of Debt				59,000,000
Debt Instrument, Final Payoff Amount, Threshold Above Which the Reporting Entity Will First Pay Without Resorting to Letter of Credit				59,000,000
CRG [Member] \| Term Loan Agreement [Member] \| Minimum [Member]
Debt Instrument, Agreed-upon Final Payoff Amount				47,000,000
CRG [Member] \| Term Loan Agreement [Member] \| Maximum [Member]
Debt Instrument, Agreed-upon Final Payoff Amount				$ 66,000,000