Supplemental Balance Sheet and Cash Flow Information (Details) (USD $)			9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Software [Member]	Sep. 30, 2013 Software [Member]
Inventory
Raw materials	$ 767,000	$ 859,000
Finished goods	853,000	1,515,000
Total inventories, net	1,620,000	2,374,000
Prepaid expenses and other current assets
Taxes	2,229,000	2,693,000
Software licenses and maintenance	1,630,000	1,882,000
Insurance	593,000	22,000
Compensation and employee benefits	368,000	346,000
Rent	283,000	288,000
Other	1,040,000	762,000
Total prepaid expenses and other current assets	6,143,000	5,993,000
Inventory reserves	900,000	900,000
Amortization			$ 1,700,000	$ 1,000,000