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

9 Months Ended

Sep. 30, 2016

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 (in thousands):

	Nine Months Ended September 30,
	2016		2015
Cash paid for interest	$	118	$	18
Income taxes paid	637		1,506
Stock issuance of 441,009 shares in connection with acquisition	3,346		—
Retirement of fixed assets	—		319
Stock issuances of 43,344 and 16,493 shares in exchange for services performed, respectively	346		164