Supplemental disclosure of cash flow and non-cash investing and financing activities (Tables)

6 Months Ended

Jun. 30, 2014

Supplemental Cash Flow Elements [Abstract]

Supplemental Disclosure of Cash Flow and Non-cash Investing and Financing Activities

Selected cash payments, receipts, and noncash activities are as follows:

	Six Months Ended June 30,
	2014		2013
Cash paid for interest	$	29,287	$	17,662
Prepaid income taxes	80,642		50,275
Purchases of equipment financed through capital leases	—		107,259
Deferred financing costs	—		27,236
Stock issuance in connection with Earn-Out Liability of 1,174,915 shares	—		5,792,330
Stock issuance of 5,272,004 shares in exchange for convertible debt	—		5,272,004
Tenant improvement incentive	—		996,866