Condensed Consolidated Balance Sheets (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 11,776,921	$ 11,236,771
Accounts receivable (billed)	3,444,830	4,424,442
Unbilled accounts receivable	4,786,304	3,021,208
Prepaid expenses and other current assets	675,047	830,585
Restricted cash		100,000
Total current assets	20,683,102	19,613,006
Property and equipment, net	625,534	788,666
Other long term assets and deferred costs	150,479	53,384
Goodwill	2,348,453	2,348,453
Total assets	23,807,568	22,803,509
Current liabilities:
Accounts payable	2,062,718	1,445,700
Accrued expenses and other liabilities	3,141,947	3,169,642
Current portion of long term debt	454,548
Total current liabilities	5,659,213	4,615,342
Other long term liabilities	564,860	449,709
Long term debt, less current portion	1,983,544
Derivative instruments	2,054,505	1,886,652
Total liabilities	10,262,122	6,951,703
Stockholders' equity:
Common stock, $0.0001 par value; 100,000,000 shares authorized; 48,345,984 and 48,236,172 shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively	4,835	4,824
Additional paid-in-capital	209,662,510	208,525,917
Accumulated other comprehensive income	1,003,989	1,010,522
Accumulated deficit	(197,125,888)	(193,689,457)
Total stockholders' equity	13,545,446	15,851,806
Total liabilities and stockholders' equity	$ 23,807,568	$ 22,803,509