STOCK-BASED COMPENSATION (Details) - USD ($)	3 Months Ended
	Mar. 26, 2016	Dec. 26, 2015
Stock-based compensation, additional disclosure
Total unrecognized compensation expense	$ 1,624,232
Recognition of unrecognized compensation expense over weighted average contractual life	2 years 4 months 24 days
Shares reserved for the grant of future share-based awards	506,520	627,540
Stock options
Options
Outstanding at the beginning of the period (in shares)	169,260
Exercised (in shares)	(8,400)
Outstanding at the end of the period (in shares)	160,860
Weighted - Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 2.02
Exercised (in dollars per share)	1.48
Outstanding at the end of the period (in dollars per share)	$ 2.05
Stock-based compensation, additional disclosure
Intrinsic value of outstanding exercisable options	$ 1,088,549
Weighted-average remaining contractual life of options exercisable	1 year 3 months 7 days
Restricted Stock
Number of Shares
Unvested at the beginning of the period (in shares)	116,428
Granted (in shares)	113,992
Vested (in shares)	(27,797)
Unvested at the end of the period (in shares)	202,623
Weighted - Average Grant Date Fair Value
Unvested at the beginning of the period (in dollars per share)	$ 7.66
Granted (in dollars per share)	8.00
Vested (in dollars per share)	6.45
Unvested at the end of the period (in dollars per share)	$ 8.02
Total fair value of shares vested and recognized as stock-based compensation expense during the year	$ 179,261
Stock-based compensation, additional disclosure
Granted (in shares)	113,992
Director
Number of Shares
Granted (in shares)	7,028
Stock-based compensation, additional disclosure
Annual stock award paid as compensation to outside directors	$ 27,500
Granted (in shares)	7,028
Stock-based compensation expense	$ 48,125