CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Condensed Consolidated Balance Sheets
Accounts receivable, allowance for doubtful accounts	$ 241,000	$ 192,000
Common stock, Par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	30,128,099	29,984,591
Common stock, shares outstanding	30,128,099	29,984,591