CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
CURRENT ASSETS:
Allowance for doubtful accounts	$ 288,000	$ 304,000
SHAREHOLDERS' EQUITY:
Preferred Stock, par value (in dollars per share)	$ 0	$ 0
Preferred Stock, authorized (in shares)	10,000,000	10,000,000
Preferred Stock, outstanding (in shares)	0	0
Common Stock, par value (in dollars per share)	$ 0	$ 0
Common Stock, authorized (in shares)	20,000,000	20,000,000
Common Stock, issued (in shares)	1,851,598	1,842,402
Common Stock, outstanding (in shares)	1,851,598	1,842,402