Related-Party Transactions (Details Textual) (USD $)	9 Months Ended	12 Months Ended			3 Months Ended		9 Months Ended		1 Months Ended	3 Months Ended		9 Months Ended		37 Months Ended	3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended			3 Months Ended
	Sep. 30, 2012	Dec. 31, 2011	Dec. 31, 2009	Apr. 30, 2012	Sep. 30, 2012 Beau Dietl and Associates [Member]	Sep. 30, 2011 Beau Dietl and Associates [Member]	Sep. 30, 2012 Beau Dietl and Associates [Member]	Sep. 30, 2011 Beau Dietl and Associates [Member]	Apr. 30, 2012 Investee [Member]	Sep. 30, 2012 Director [Member]	Sep. 30, 2011 Director [Member]	Sep. 30, 2012 Director [Member]	Sep. 30, 2011 Director [Member]	Sep. 30, 2012 Director [Member]	Sep. 30, 2011 Member Of Board [Member]	Sep. 30, 2011 Member Of Board [Member]	Sep. 30, 2012 Scanner Manufacturers [Member]	Sep. 30, 2011 Scanner Manufacturers [Member]	Sep. 30, 2012 Scanner Manufacturers [Member]	Sep. 30, 2011 Scanner Manufacturers [Member]	Dec. 31, 2011 Scanner Manufacturers [Member]	Sep. 30, 2012 Cso On Call Llc [Member]
Equity Method Investment, Ownership Percentage	15.00%
Related Party Transaction, Purchases from Related Party																	$ 2,939,000	$ 3,008,000	$ 7,692,000	$ 7,834,000
Due to Related Parties																	1,297,000		1,297,000		1,014,000
Related Party Transaction, Date		Oct. 31, 2011
Related Party Transaction, Amounts of Transaction										12,000	12,000	36,000	36,000	4,000	29,000	75,000
Legal Services Agreement Entered Date			Sep. 15, 2009
Related Party Costs																						11,000
Licence Agreement Entered Date									April 2010
Amortization Over Period in Selling General and Administrative Expense							50,000
Rent Expense					6,000	6,000	19,000	19,000
Payment for Licence Fees							50,000
Extention of Licence Period		1 year
Cost of Extention of License		12,500		12,500
Further Extention Of Amended License	April 2013
Sales Revenue, Goods, Net																	18,000		18,000	11,000
Cost of Goods Sold																	$ 16,000		$ 16,000	$ 10,000