Note 4 - Income (Loss) Per Share - Percentage of Net Earnings Allocable to Common Shareholders (Details)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Weighted average participating common shares (in shares)	31,947,753	31,884,320
Add: Weighted average shares of Convertible Preferred Stock (in shares)	255,000
Weighted average participating shares (in shares)	32,202,753mkrs_WeightedAverageParticipatingShares	31,884,320mkrs_WeightedAverageParticipatingShares
Portion allocable to common shareholders	99.20%	100.00%

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 40

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1930-109256

Name:	us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration