Quarterly report pursuant to Section 13 or 15(d)

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

Summary of Significant Accounting Policies (Narrative) (Details)

v3.5.0.2

Summary of Significant Accounting Policies (Narrative) (Details) - USD ($)		1 Months Ended	6 Months Ended
	Jun. 30, 2016	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Accounting Policies [Line Items]
Accounts payable	$ 5,134,635		$ 5,134,635		$ 1,767,523
Fair value of notes payable	61,200,000		61,200,000
Notes payable	61,200,000		61,200,000
Derivative liabilities	$ 63,000		$ 63,000		$ 63,000
Non-refundable upfront cash payment received		$ 2,000,000
Deferred revenue recognition period			2 years
Cardinal Health [Member] \| Customer Concentration Risk [Member] \| Accounts and Other Receivable [Member]
Accounting Policies [Line Items]
Concentration risk, percentage	98.00%
Cardinal Health [Member] \| Customer Concentration Risk [Member] \| Minimum [Member] \| Lymphoseek sales [Member]
Accounting Policies [Line Items]
Concentration risk, percentage			99.00%	99.00%
Former Executive [Member]
Accounting Policies [Line Items]
Accounts payable	$ 894,000		$ 894,000

- Definition

Accounting policies.

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Deferred revenue recognition period.

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Non refundable upfront cash payment received.

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Fair value portion of notes payable.

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