Consolidated Statement of Shareholders' Equity (USD $) In Thousands		Total	Capital in Excess of Par Value	Accumulated Deficit	Accumulated Other Comprehensive Loss	Class A Treasury Stock	Class A Common Stock Common Stock	Class B Common Stock Common Stock
Balance at Dec. 31, 2013		$ 70,475	$ 342,213	$ (271,051)	$ (479)	$ (775)	$ 307	$ 260
Balance, shares at Dec. 31, 2013						(59)	30,705	25,985
Net loss		(11,901)		(11,901)
Other comprehensive income		469			469
Conversion of shares, shares	[1]						750	(750)
Conversion of shares	[1]	0					8	(8)
Issuance of shares of stock in conjunction with stock option exercises, shares							282
Issuance of shares of stock in conjunction with stock option exercises		910	907				3
Issuance of shares of stock and restricted stock, net of cancellations and tax withholdings, shares							174
Issuance of shares of stock and restricted stock, net of cancellations and tax withholdings		(286)	(287)				1
Non-cash equity compensation		1,513	1,513
Balance at Sep. 30, 2014		$ 61,180	$ 344,346	$ (282,952)	$ (10)	$ (775)	$ 319	$ 252
Balance, shares at Sep. 30, 2014						(59)	31,911	25,235

[1] The converted shares of Class B Common Stock were retired and returned to the authorized but unissued shares of Class B Common Stock.