Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 4 - Revenue From Contracts With Customers (Tables)

v3.10.0.1

Note 4 - Revenue From Contracts With Customers (Tables)

6 Months Ended

Jun. 30, 2018

Disaggregation of Revenue [Table Text Block]

T hree Months Ended June 30 , 2018	Diagnostics		Therapeutics		Total
Tc99m tilmanocept royalty revenue:
Europe	$	6,665	$	—	$	6,665
India		—		—		—
China		—		—		—
Total	$	6,665	$	—	$	6,665

License revenue:
NAV4694 sublicense	$	257,709	$	—	$	257,709

Other revenue:
Additional stability studies	$	—	$	—	$	—

Six Months Ended June 30, 2018	Diagnostics		Therapeutics		Total
Tc99m tilmanocept royalty revenue:
Europe	$	7,460	$	—	$	7,460
India		—		—		—
China		—		—		—
Total	$	7,460	$	—	$	7,460

License revenue:
NAV4694 sublicense	$	257,709	$	—	$	257,709

Other revenue:
Additional stability studies	$	15,037	$	—	$	15,037

Contract with Customer, Asset and Liability [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018			2017
Total deferred revenue, beginning of period	$	711,024	$	26,061	$	26,061		$	41,098
Impact of adoption of ASU 2014-09 and related standards		—		—		700,000			—
Revenue receivable		10,000		—		10,000			—
Revenue recognized from satisfaction of performance obligations		—		—		(15,037	)		(15,037	)
Total deferred revenue, end of period	$	721,024	$	26,061	$	721,024		$	26,061

Accounting Standards Update 2014-09 [Member]

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

	Pre- Adoption			Post- Adoption			Change
Deferred revenue	$	26,061		$	726,061		$	700,000
Accumulated deficit		(319,908,968	)		(320,608,968	)		(700,000	)

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Tabular disclosure of contract balances and changes in contract balances.

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