INCOME TAXES (Detail Textuals) (USD $) In Thousands, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2009	Mar. 31, 2013 Subsequent Event
Income Tax Note [Line Items]
Federal income tax benefit		$ 550
Alternative minimum tax, percentage		100.00%
Alternative minimum tax, percentage prior legislation		90.00%
Alternative minimum tax amount			550
Income tax refund of AMT		550
Change in amount of valuation allowance	1,053
Extension period of research and development tax credits	2 years
Research credit benefit, gross amount				1,231
Research credit benefit, net of valuation allowance				$ 0