Inventories (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 791,000	$ 859,000
Finished goods	1,416,000	1,515,000
Total inventories, net	2,207,000	2,374,000
Inventory reserves	$ 1,100,000	$ 900,000