EARNINGS (LOSS) PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Earnings Per Share by Two Class Method [Line Items]
Dividend rate Class B common stock in excess of dividend rate of Class A common stock (in hundredths)	5.00%	5.00%	5.00%	5.00%
Undistributed earning allocation rate of Class B common stock in excess of Class A common stock (in hundredths)	5.00%	5.00%	5.00%	5.00%
Numerator:
Net earnings (loss)	$ 1,463	$ (574)	$ 2,339	$ 2,670
Undistributed earnings (loss)	652	(1,371)	723	1,076
Undistributed earnings (loss) allocation - basic and diluted:
Undistributed earnings (loss)	652	(1,371)	723	1,076
Net earnings allocation - basic and diluted:
Net earnings (loss)	1,463	(574)	2,339	2,670
Class A [Member]
Numerator:
Net earnings (loss)	246	(113)	389	453
Less Dividends	131	131	261	261
Undistributed earnings (loss) allocation - basic and diluted:
Undistributed earnings (loss)	115	(244)	128	192
Net earnings allocation - basic and diluted:
Net earnings (loss)	246	(113)	389	453
Weighted-average shares outstanding:
Common share - basic and diluted (in shares)	2,174,912	2,174,912	2,174,912	2,174,912
Earnings (loss) per share:
Common share - basic and diluted (in dollars per share)	$ 0.11	$ (0.05)	$ 0.18	$ 0.21
Class B [Member]
Numerator:
Net earnings (loss)	1,217	(461)	1,950	2,217
Less Dividends	680	666	1,355	1,333
Undistributed earnings (loss) allocation - basic and diluted:
Undistributed earnings (loss)	537	(1,127)	595	884
Net earnings allocation - basic and diluted:
Net earnings (loss)	$ 1,217	$ (461)	$ 1,950	$ 2,217
Weighted-average shares outstanding:
Common share - basic and diluted (in shares)	9,677,141	9,582,610	9,654,473	9,554,354
Earnings (loss) per share:
Common share - basic and diluted (in dollars per share)	$ 0.13	$ (0.05)	$ 0.20	$ 0.23

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