Equity Transactions (Details)						3 Months Ended	6 Months Ended	12 Months Ended
	Jul. 27, 2017 $ / shares shares	May 02, 2017 shares	Jul. 20, 2016 shares	Oct. 26, 2015 USD ($) shares	Jul. 24, 2015 shares	Mar. 31, 2017 shares	Sep. 30, 2017 shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) $ / shares shares	Dec. 31, 2015 USD ($) shares	Dec. 16, 2016 USD ($) $ / shares shares	Dec. 15, 2016 $ / shares	Feb. 29, 2016 $ / shares
Class of Stock [Line Items]
Authorized but unissued shares of common stock (in shares)								1,200,000
Number of treasury stock retired (in shares)				33,213	1,744,167
Stock issued as result of reverse stock split (in shares)								12,268
Reverse stock split								6
Common stock shares issued from exercise of warrants and options (in shares)							880,788
Issuance of common stock (in shares)	1,969,697	5,000,000
Number of treasury stock retired, value | $				$ 2,600,000						$ 0
Common stock shares issued (in shares)								28,037,501	18,553,817		1,923,457
Preferred stock, shares issued (in shares)								0	0
Number of warrants repriced (in shares)											3,232,981
Warrants exercise price (in dollars per share) | $ / shares								$ 30			$ 3.06	$ 4.20
Beneficial conversion feature - Series B preferred stock | $									$ 0
Common stock issued for litigation settlement (in shares)			4,761,905
Warrants exercised period			1 year
Series B Convertible Preferred Shares [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)								550	550
Preferred stock, stated value | $								$ 1,000	$ 1,000
Number of preferred shares converted (in shares)						(518)
Preferred stock, conversion value (in dollars per share) | $ / shares								$ 2.52	$ 2.52
NantCell, Inc [Member]
Class of Stock [Line Items]
Warrants exercise price (in dollars per share) | $ / shares	$ 6.60
Preferred Stock [Member] | Series B Convertible Preferred Shares [Member]
Class of Stock [Line Items]
Number of treasury stock retired (in shares)										0
Stock issued as result of reverse stock split (in shares)								0
Issuance of common stock (in shares)								0	550	0
Number of treasury stock retired, value | $										$ 0
Preferred stock, shares issued (in shares)											550
Preferred stock, stated value | $											$ 1,000
Number of preferred shares converted (in shares)								(518)	(32)
Preferred stock, conversion value (in dollars per share) | $ / shares									$ 2.52
Beneficial conversion feature - Series B preferred stock | $									$ 314,286
Common Stock [Member]
Class of Stock [Line Items]
Number of treasury stock retired (in shares)										33,213
Stock issued as result of reverse stock split (in shares)								12,268
Issuance of common stock (in shares)								5,000,000	6,685,362	1,744,167
Number of treasury stock retired, value | $										$ 33
Number of preferred shares converted (in shares)								1,233,334	76,191
Beneficial conversion feature - Series B preferred stock | $									$ 0
Common Stock [Member] | Series B Convertible Preferred Shares [Member]
Class of Stock [Line Items]
Number of preferred shares converted (in shares)						1,233,334
Employee Stock Option [Member]
Class of Stock [Line Items]
Stock issued during period (in shares)									55,000
Restricted Stock [Member]
Class of Stock [Line Items]
Stock issued during period (in shares)								387,597	387,597
Warrants [Member]
Class of Stock [Line Items]
Warrants exercise price (in dollars per share) | $ / shares													$ 10.44
Warrants [Member] | NantCell, Inc [Member]
Class of Stock [Line Items]
Issuance of common stock (in shares)	500,000