STOCK-BASED COMPENSATION (Details) (USD $)	6 Months Ended
Jun. 29, 2013
Restricted stock
Number of Shares
Granted (in shares)	139,581
Vested (in shares)	(11,266)
Unvested at the end of the period (in shares)	128,315
Weighted-Average Grant Date Fair Value
Granted (in dollars per share)	$ 4.17
Vested (in dollars per share)	$ 4.01
Unvested at the end of the period (in dollars per share)	$ 4.19
Total fair value of the shares vested	$ 45,186
Stock options
Number of Shares
Outstanding at the beginning of the period (in shares)	1,007,798
Exercised (in shares)	(111,995)
Expired (in shares)	(272,462)
Forfeited (in shares)	(84,015)
Outstanding at the end of the period (in shares)	539,326
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 3.74
Exercised (in dollars per share)	$ 1.89
Expired (in dollars per share)	$ 6.29
Forfeited (in dollars per share)	$ 4.29
Outstanding at the end of the period (in dollars per share)	$ 2.78
Stock-based compensation, additional disclosure
Intrinsic value of outstanding exercisable options	1,042,322
Weighted-average remaining contractual life of options exercisable	3 years
Total unrecognized compensation expense	$ 568,647
Recognition of unrecognized compensation expense over weighted average contractual life	2 years 7 months 6 days

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The total fair value of equity-based awards for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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No definition available.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Number of share options (or share units) exercised during the current period.

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