Loans Payable (Line of Credit Promissory Note) (Details) - USD ($)		3 Months Ended		6 Months Ended	12 Months Ended
	Oct. 24, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Jun. 30, 2015	Mar. 16, 2015	Dec. 15, 2014	Nov. 25, 2014	Sep. 16, 2013	May. 10, 2012
Line of Credit Facility [Line Items]
Stated interest rate		12.00%		12.00%
Outstanding balances		$ 24,179,000		$ 24,179,000	$ 24,091,000
Warrants, exercise price per share (in dollars per warrant)									$ 92	$ 640
Line of Credit | SIC III Line Of Credit Note
Line of Credit Facility [Line Items]
Outstanding balances		19,616,000		19,616,000	19,516,000
Securities Purchase Agreement
Line of Credit Facility [Line Items]
Stock compensation expense related to issuance of warrants					2,091,000
Securities Purchase Agreement | Line of Credit | SIC III Line Of Credit Note
Line of Credit Facility [Line Items]
Number of warrants issued for each $1,000 advanced under line of credit	50,000
SIC III | Securities Purchase Agreement
Line of Credit Facility [Line Items]
Stock compensation expense related to issuance of warrants					$ 2,049,000
SIC III | Securities Purchase Agreement | Series C Convertible Preferred Stock
Line of Credit Facility [Line Items]
Temporary equity, shares subscribed but unissued, subscriptions receivable	$ 10,000,000	$ 10,000,000		$ 10,000,000
Warrants unissued		500,000		500,000
Exercise price above market value of common stock, percent		10.00%		10.00%
SIC III | Securities Purchase Agreement | SIC III Line Of Credit Note | Series C Convertible Preferred Stock
Line of Credit Facility [Line Items]
Warrants, exercise price per share (in dollars per warrant)						$ 1.78		$ 2.98
SIC III | Securities Purchase Agreement | Line of Credit | SIC III Line Of Credit Note
Line of Credit Facility [Line Items]
Debt issue amount		$ 20,000,000		$ 20,000,000
SIC III | Securities Purchase Agreement | Line of Credit | SIC III Line Of Credit Note
Line of Credit Facility [Line Items]
Temporary equity, shares subscribed but unissued, subscriptions receivable	30,000,000
Maximum borrowing capacity	$ 20,000,000
Warrants unissued	1,000,000
Exercise price above market value of common stock, percent	10.00%
Exercisable period	5 years
Stated interest rate	12.00%
Debt issue amount							$ 15,500,000
Debt discount percentage	3.00%
Accretion of discount				216,000
Unamortized discount		600,000		600,000
Stated interest rate in event of default	17.00%
Common stock, shares outstanding (in warrants)							775,000
Maximum loan to officer	$ 500,000
Limitation on indebtedness	$ 1,000,000
Minimum sale amount for material technology or intellectual property, term	12 months
Minimum fair value of assets involved in payment, contribution or assignment	$ 1,000,000
Warrants, exercise price per share (in dollars per warrant)	$ 3.51						$ 3.63
Minimum sale amount for material technology or intellectual property	$ 500,000
Interest expense		$ 614,000	$ 191,000	$ 1,227,000
Initial Draw On Line Of Credit | SIC III | Securities Purchase Agreement | Line of Credit | SIC III Line Of Credit Note
Line of Credit Facility [Line Items]
Debt issue amount	$ 4,500,000
Common stock, shares outstanding (in warrants)	225,000