Related Party Transactions (Detail Textuals) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Related Party Transaction [Line Items]
Company's voting power held by group	one vote
Marine Products
Related Party Transaction [Line Items]
Spinoff transaction percentage	100.00%
Marine Products | Transition Support Services Agreement
Related Party Transaction [Line Items]
Aggregate amount of services received	$ 670,000	$ 544,000	$ 639,000
Due from related parties during the current period	145,000	94,000
Other
Related Party Transaction [Line Items]
Products or services from suppliers	1,039,000	1,676,000	1,469,000
Administrative services and rent	$ 83,000	$ 83,000	$ 102,000
Company's voting power held by group	excess of fifty percent