Condensed Consolidated Statement of Cash Flows - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2016
Cash flows from operating activities
Net income (loss)	$ 3,655,000	$ (5,017,000)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	4,266,290	9,316,355
Stock-based compensation expense	1,566,966	2,357,590
Deferred income taxes	1,366,141	449,670
Bad debt provision	1,048,815	789,310
Change in fair value of contingent consideration	676,424	9,187,336
Other operating activities	104,854	104,854
Change in assets:
Accounts receivable and unbilled revenue	(10,311,462)	(2,366,175)
Inventories	(10,845,159)	(2,573,230)
Prepaid expenses and other assets	720,225	16,254,910
Change in liabilities:
Accounts payable	5,973,282	(33,984,179)
Accrued expenses and other liabilities	(3,974,365)	4,632,392
Net cash provided by (used in) operating activities	987,003	(848,205)
Cash flows from investing activities
Purchases of property and equipment	(8,655,647)	(7,445,010)
Net cash used in investing activities	(8,655,647)	(7,445,010)
Cash flows from financing activities
Net borrowings from revolving credit facilities	7,395,770	12,552,929
Net short-term secured borrowings	668,982	103,801
Repurchases of common stock		0
Stock Repurchased During Period, Value	(1,400,000)
Payments of contingent consideration	(2,176,775)	(4,143,790)
Proceeds from exercise of stock options	598,514	1,090,443
Other financing activities	(178,939)	(474,214)
Net cash provided by financing activities	1,410,368	9,129,169
Effect of exchange rate changes on cash and cash equivalents	(753,882)	14,707
Increase (decrease) in cash and cash equivalents	(7,012,158)	850,661
Cash and cash equivalents, beginning of period	$ 15,565,784	30,755,000
Cash and cash equivalents, end of period		$ 31,605,591