Consolidated Statements of Stockholders' Equity (USD $)	Common Stock	Capital in Excess of Par Value	Accumulated Earnings (Deficiency)	Other Comprehensive Income / Loss	Total
Begining Balance, Amount at Dec. 31, 2012	$ 13,170	$ 16,006,798	$ (6,826,129)	$ 574,829	$ 9,768,668us-gaap_StockholdersEquity
Begining Balance, Shares at Dec. 31, 2012	13,169,991
Translation adjustment				(246,143)	(246,143)FSI_TranslationAdjustment
Comprehensive income					1,575,491us-gaap_ComprehensiveIncomeNetOfTax
Stock-based compensation		129,155			129,155us-gaap_ShareBasedCompensation
Net income			1,821,634		1,821,634us-gaap_NetIncomeLoss
Ending Balance, Amount at Dec. 31, 2013	13,170	16,135,953	(5,004,495)	328,686	11,473,314us-gaap_StockholdersEquity
Ending Balance, Shares at Dec. 31, 2013	13,169,991
Translation adjustment				(596,238)	(596,238)FSI_TranslationAdjustment
Comprehensive income					(192,893)us-gaap_ComprehensiveIncomeNetOfTax
Stock-based compensation		91,168			91,168us-gaap_ShareBasedCompensation
Net income			403,345		403,345us-gaap_NetIncomeLoss
Ending Balance, Amount at Dec. 31, 2014	$ 13,170	$ 16,227,121	$ (4,601,150)	$ (267,552)	$ 11,371,589us-gaap_StockholdersEquity
Ending Balance, Shares at Dec. 31, 2014	13,169,991

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No definition available.

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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