Summary of Significant Accounting Policies (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Probability of Tax Benefit, Percentage	50.00%
Accounts receivable, net	$ 3,718,000	$ 3,428,000
Allowance for Doubtful Accounts Receivable	29,000	25,000
Unbilled Receivables, Current	1,147,000	699,000
Inventory Write-down	$ 4,000