Condensed Consolidated Statement of Cash Flows - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2016
Cash flows from operating activities
Net income	$ 3,936,000	$ (676,000)
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	4,485,119	14,382,034
Stock-based compensation expense	1,226,490	4,097,362
Deferred income taxes	768,045	677,151
Bad debt provision	1,214,166	1,433,041
Change in fair value of contingent consideration	701,000	9,975,423
Other operating activities	157,281	157,281
Change in assets:
Accounts receivable and unbilled revenue	(17,558,439)	(12,798,054)
Inventories	(13,116,248)	(12,049,902)
Prepaid expenses and other assets	(13,436,443)	3,573,663
Change in liabilities:
Accounts payable	4,471,133	(40,263,717)
Accrued expenses and other liabilities	2,989,383	7,861,083
Net cash used in operating activities	(7,256,705)	(23,631,523)
Cash flows from investing activities
Purchases of property and equipment	(12,125,611)	(10,501,927)
Net cash used in investing activities	(12,125,611)	(10,501,927)
Cash flows from financing activities
Net borrowings from revolving credit facilities	23,488,681	34,722,061
Net short-term secured borrowings	(550,921)	(819,867)
Repurchases of common stock		0
Payments of contingent consideration	(8,009,775)	(11,008,413)
Proceeds from exercise of stock options	650,409	2,001,656
Other financing activities	(425,716)	(679,916)
Net cash provided by financing activities	10,255,494	24,215,521
Effect of exchange rate changes on cash and cash equivalents	(813,531)	(50,053)
Decrease in cash and cash equivalents	$ (9,940,353)	(9,967,982)
Cash and cash equivalents, beginning of period		30,755,000
Cash and cash equivalents, end of period		$ 20,786,949