CONSOLIDATED BALANCE SHEETS - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 2,989,731	$ 3,154,540
Accounts receivable, less allowance for doubtful accounts of $586,941 and $760,917 as of December 31, 2015 and 2014, respectively	33,298,797	29,631,843
Prepaid expenses and other current assets	946,908	684,032
Total current assets	37,235,436	33,470,415
Goodwill	58,337,290	58,337,290
Intangible assets, net	11,828,008	15,115,617
Property and equipment, net, and other assets	1,608,632	753,493
Total assets	109,009,366	107,676,815
Current liabilities:
Line of credit		5,250,000
Accounts payable and accrued liabilities	34,847,359	26,621,907
Deferred revenue and other current liabilities	328,829	282,189
Total current liabilities	35,176,188	32,154,096
Line of credit	4,000,000
Other long-term liabilities	341,142	45,206
Total liabilities	$ 39,517,330	$ 32,199,302
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.001 par value, 10,000,000 shares authorized, no shares issued or outstanding as of December 31, 2015 and 2014
Common stock, $0.001 par value, 200,000,000 shares authorized, 111,788,225 and 111,601,304 shares issued and outstanding as of December 31, 2015 and 2014, respectively	$ 111,788	$ 111,601
Additional paid-in capital	152,249,558	150,789,292
Accumulated deficit	(82,869,310)	(75,423,380)
Total stockholders’ equity	69,492,036	75,477,513
Total liabilities and stockholders’ equity	$ 109,009,366	$ 107,676,815