Condensed Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash Flows from Operating Activities:
Net loss	$ (52)	$ (612)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation	1,788	1,717
Amortization of deferred grant income	(486)	(396)
Allowance for doubtful accounts	115
Proceeds from deferred grant and other revenue	445	1,580
Deferred income taxes benefit	(39)	(194)
Share-based compensation	114	78
Increase (decrease) in cash from:
Accounts receivable	(524)	243
Materials and supplies	91	(163)
Prepaid expenses and other current assets	360	447
Accounts payable and accrued expenses	(508)	(648)
Net cash flows from operating activities	1,304	2,052
Cash flows from Investing Activities:
Purchase of property and equipment	(2,494)	(1,443)
Proceeds from sale of property and equipment	250
Net cash flows used in investing activities	(2,244)	(1,443)
Cash Flows from Financing Activities:
Proceeds from deferred grant and other income		43
Dividends paid	(392)	(393)
Issuance of common shares for stock options exercised and employee stock purchases	77	38
Net cash flows used in financing activities	(315)	(312)
Increase (decrease) in Cash and Cash Equivalents	(1,255)	297
Cash and Cash Equivalents, Beginning of Period	2,614	951
Cash and Cash Equivalents, End of Period	1,359	1,248
Supplemental Disclosures:
Cash paid for income taxes	97	420
Property and equipment included in accounts payable	$ 119	$ 509