XML 17 R29.htm IDEA: XBRL DOCUMENT v2.4.1.9
Earnings Per Common Share (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Common Share [Abstract]    
Net income (loss) $ (515)us-gaap_NetIncomeLoss $ 424us-gaap_NetIncomeLoss
Weighted average shares - basic 60,842,413us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 60,842,413us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Dilution effect of share-based compensation, treasury method   5,366tgc_DilutionEffectOfShareBasedCompensationTreasuryMethod
Weighted average shares - dilutive 60,842,413us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 60,847,779us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Basic $ (0.01)us-gaap_EarningsPerShareBasic $ 0.01us-gaap_EarningsPerShareBasic
Dilutive $ (0.01)us-gaap_EarningsPerShareDiluted $ 0.01us-gaap_EarningsPerShareDiluted