Capitalization (Details Narrative) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Common stock issued	$ 900	$ 800
Common stock issued, shares	45,378	42,472
Stock issued to non-management directors	100	100
Stock issued to non-management directors, shares	5,432	5,768
Long term debt	133,504		131,467
Other long term debt	46,300		47,700
Customer advances for construction	21,944		21,990
Interest rate, minimum	3.00%
Interest rate, maximum	3.25%
New Jersey State Revolving Fund
Future funding to be available under loan program	$ 4,000