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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $)	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total
Balances at Dec. 31, 2011	$ 64,495us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	$ 28,305,911us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember	$ 35,499,541us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember	$ (257,394)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember	$ 107,127us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember	$ 63,719,680us-gaap_StockholdersEquity
Balances (in shares) at Dec. 31, 2011	6,449,478us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Increase (Decrease) in Stockholders' Equity
5% common stock dividend	3,240us-gaap_StockIssuedDuringPeriodValueStockDividend / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	(4,390)us-gaap_StockIssuedDuringPeriodValueStockDividend / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				(1,150)us-gaap_StockIssuedDuringPeriodValueStockDividend
5% common stock dividend (in shares)	323,997us-gaap_CommonStockDividendsShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Cash dividend			(3,097,864)us-gaap_DividendsCommonStockCash / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember			(3,097,864)us-gaap_DividendsCommonStockCash
Issuance of restricted common stock	730us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	(730)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember
Issuance of restricted common stock (in shares)	73,041us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember					47,867us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Exercise of stock options	643us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	810,352us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember		(433,615)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember		377,380us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Exercise of stock options (in shares)	64,316us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember					64,316us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Amortization of unearned compensation restricted stock awards		317,110us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				317,110us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
Amortization of compensation cost of unvested stock options		283,950us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				283,950us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Foreign currency translation adjustments					714,576us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember	714,576us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
Net Income (loss)			15,671,879us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember			15,671,879us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Balances at Dec. 31, 2012	69,108us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	29,712,203us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember	48,073,556us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember	(691,009)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember	821,703us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember	77,985,561us-gaap_StockholdersEquity
Balances (in shares) at Dec. 31, 2012	6,910,832us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Increase (Decrease) in Stockholders' Equity
5% common stock dividend	3,461us-gaap_StockIssuedDuringPeriodValueStockDividend / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	(4,400)us-gaap_StockIssuedDuringPeriodValueStockDividend / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				(939)us-gaap_StockIssuedDuringPeriodValueStockDividend
5% common stock dividend (in shares)	346,075us-gaap_CommonStockDividendsShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Issuance of restricted common stock (in shares)						39,204us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Issuance (rescindment) of restricted common stock	(30)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	273,097us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				273,067us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
Issuance (rescindment) of restricted common stock (in shares)	(3,000)us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Exercise of stock options	1,095us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	975,385us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember		(560,090)us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember		416,390us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Exercise of stock options (in shares)	109,467us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember					109,468us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Amortization of unearned compensation restricted stock awards		492,692us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				492,692us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
Amortization of compensation cost of unvested stock options		206,952us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				206,952us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Foreign currency translation adjustments					(3,926,881)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember	(3,926,881)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
Net Income (loss)			(6,316,041)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember			(6,316,041)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Balances at Dec. 31, 2013	73,634us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	31,655,929us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember	41,757,515us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember	(1,251,099)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember	(3,105,178)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember	69,130,801us-gaap_StockholdersEquity
Balances (in shares) at Dec. 31, 2013	7,363,374us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember					7,363,374us-gaap_CommonStockSharesOutstanding
Increase (Decrease) in Stockholders' Equity
Issuance of restricted common stock (in shares)						180,833us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Issuance (rescindment) of restricted common stock	146us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Issuance of restricted common stock, net of retirements	28us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	70,768us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				70,796us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation
Issuance of restricted common stock, net of retirements	2,753us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Forfeiture of Stock Options		622us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationForfeited / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				622us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationForfeited
Exercise of stock options		154,408us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				154,554us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
Exercise of stock options (in shares)	14,653us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember					14,652us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Amortization of unearned compensation restricted stock awards		358,678us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				358,678us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition
Amortization of compensation cost of unvested stock options		259,264us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember				259,264us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
Foreign currency translation adjustments					(3,383,405)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember	(3,383,405)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent
Net Income (loss)			(9,528,330)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember			(9,528,330)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Balances at Dec. 31, 2014	$ 73,808us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	$ 32,498,425us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember	$ 32,229,185us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember	$ (1,251,099)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember	$ (6,488,583)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember	$ 57,061,736us-gaap_StockholdersEquity
Balances (in shares) at Dec. 31, 2014	7,380,780us-gaap_CommonStockSharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember					7,380,780us-gaap_CommonStockSharesOutstanding

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- Definition

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Number of shares of common stock issued as dividends during the period. Excludes stock splits.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to parent entity.

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Gross number of share options (or share units) granted during the period.

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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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