Warrants - Calculated Aggregated Fair Values and Assumptions (Details) - Warrant Liability - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Class of Warrant or Right [Line Items]
Calculated aggregate value	$ 8,275	$ 11,286	$ 15,216
Weighted average exercise price per share of warrant	$ 7.14	$ 7.08	$ 7.08
Closing price per share of common stock	$ 4.55	$ 2.59	$ 4.06
Volatility	85.20%	67.60%	70.00%
Weighted average remaining expected life	1 year 8 months	2 years 7 months	3 years 6 months
Risk-free interest rate	0.98%	0.86%	1.20%
Dividend yield	0.00%	0.00%	0.00%

Closing price per share of common stock.

No definition available.

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Period Type:	instant

- Definition

It represents the expected term of warrants.

+ References

No definition available.

+ Details

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Namespace Prefix:	fcsc_
Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

It represents aggregate fair value of warrants.

+ References

No definition available.

+ Details

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Namespace Prefix:	fcsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Exercise price of the warrants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column A

+ Details

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Namespace Prefix:	invest_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

+ Details

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Period Type:	duration

- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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- Details

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