Condensed Consolidated Balance Sheet - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 12,637,589	$ 22,577,942
Accounts receivable, net of allowance for doubtful accounts of $1,224,211 and $2,685,497, respectively	191,045,581	179,465,922
Unbilled revenue	36,463,538	31,698,924
Inventories	40,278,890	27,162,642
Prepaid expenses	14,263,851	12,684,237
Deferred income taxes	2,082,279	1,819,139
Other current assets	39,031,105	28,818,891
Total current assets	335,802,833	304,227,697
Property and equipment, net	33,173,094	29,763,583
Intangibles and other assets:
Goodwill	244,845,343	246,947,900
Intangible assets, net	39,687,457	44,919,573
Deferred income taxes	4,442,840	3,903,937
Other non-current assets	2,717,074	1,487,690
Total intangibles and other assets	291,692,714	297,259,100
Total assets	660,668,641	631,250,380
Current liabilities:
Accounts payable	148,515,725	144,044,592
Current portion of contingent consideration	11,007,104	9,078,138
Due to seller	1,636,259	402,499
Other liabilities	36,349,200	30,636,505
Accrued expenses	10,886,991	9,989,963
Total current liabilities	208,395,279	194,151,697
Revolving credit facility	128,027,431	104,538,750
Deferred income taxes	9,917,811	9,967,039
Contingent consideration, net of current portion	13,255,757	23,504,436
Other non-current liabilities	2,882,228	2,941,889
Total liabilities	$ 362,478,506	$ 335,103,811
Commitments and contingencies (See Note 10)
Stockholders' equity:
Common stock, par value $0.0001 per share, 200,000,000 and 200,000,000 shares authorized, 62,522,859 and 61,851,709 shares issued, 52,793,498 and 52,830,842 shares outstanding, respectively	$ 6,252	$ 6,185
Additional paid-in capital	212,675,441	207,428,962
Treasury stock at cost, 9,729,361 and 9,020,867 shares, respectively	(54,269,995)	(49,996,166)
Accumulated other comprehensive loss	(11,610,048)	(5,401,135)
Retained earnings	151,388,485	144,108,723
Total stockholders' equity	298,190,135	296,146,569
Total liabilities and stockholders' equity	$ 660,668,641	$ 631,250,380