Construction Contracts in Progress (USD $)
xx Months Ended (Total) xx Months Ended (Inception) At 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Estimated Revenue [Member]
       
Contract No. Contract description        
201 Highland Center $ 10,585,000
202 WT Plaza 18,986,000
203 Plaza Center 13,872,000
204 Commerce Center 10,986,000
205 Silver Lake Center 14,020,000
Miscellaneous contracts in progress under $ 10,000,000 48,809,000
Total 118,258,000
Estimated Costs [Member]
       
Contract No. Contract description        
201 Highland Center $ 9,965,000
202 WT Plaza 18,136,000
203 Plaza Center 13,392,000
204 Commerce Center 10,556,000
205 Silver Lake Center 13,443,000
Miscellaneous contracts in progress under $ 10,000,000 47,683,000
Total 113,175,000
Estimated Gross Profit [Member]
       
Contract No. Contract description        
201 Highland Center $ 620,000
202 WT Plaza 850,000
203 Plaza Center 480,000
204 Commerce Center 430,000
205 Silver Lake Center 577,000
Miscellaneous contracts in progress under $ 10,000,000 2,126,000
Total 5,083,000
Contract Revenue [Member]
       
Contract No. Contract description        
201 Highland Center $ 10,388,000 $ 7,618,000
202 WT Plaza 18,230,000 14,610,000
203 Plaza Center 10,492,000 10,492,000
204 Commerce Center 619,000 619,000
205 Silver Lake Center 0 0
Miscellaneous contracts in progress under $ 10,000,000 35,877,000 35,864,000
Total 75,606,000 69,203,000
Contract Costs [Member]
       
Contract No. Contract description        
201 Highland Center $ 9,780,000 $ 7,155,000
202 WT Plaza 17,414,000 13,938,000
203 Plaza Center 10,127,000 10,127,000
204 Commerce Center 619,000 619,000
205 Silver Lake Center 0 0
Miscellaneous contracts in progress under $ 10,000,000 34,376,000 34,363,000
Total 72,316,000 66,202,000
Gross Profit [Member]
       
Contract No. Contract description        
201 Highland Center $ 608,000 $ 463,000
202 WT Plaza 816,000 672,000
203 Plaza Center 365,000 365,000
204 Commerce Center 0 0
205 Silver Lake Center 0 0
Miscellaneous contracts in progress under $ 10,000,000 1,501,000 1,501,000
Total 3,290,000 3,001,000
Contract Billings [Member]
       
Contract No. Contract description        
201 Highland Center $ 10,663,000
202 WT Plaza 18,656,000
203 Plaza Center 10,498,000
204 Commerce Center 513,000
205 Silver Lake Center 0
Miscellaneous contracts in progress under $ 10,000,000 37,602,000
Total 77,932,000
Estimated Cost to Complete [Member]
       
Contract No. Contract description        
201 Highland Center $ 185,000
202 WT Plaza 722,000
203 Plaza Center 3,265,000
204 Commerce Center 9,937,000
205 Silver Lake Center 13,443,000
Miscellaneous contracts in progress under $ 10,000,000 13,307,000
Total 40,859,000
Percent Complete [Member]
       
Contract No. Contract description        
201 Highland Center 98%
202 WT Plaza 96%
203 Plaza Center 76%
204 Commerce Center 6%
205 Silver Lake Center 0%
Miscellaneous contracts in progress under $ 10,000,000
Total
Under (Over) Billings [Member]
       
Contract No. Contract description        
201 Highland Center $ (275,000)
202 WT Plaza (426,000)
203 Plaza Center (6,000)
204 Commerce Center 106,000
205 Silver Lake Center 0
Miscellaneous contracts in progress under $ 10,000,000 (1,725,000)
Costs and estimated gross profit in excess of billings on contracts in progress 106,000
Billings in excess of costs and estimated gross profit on contracts in progress (2,432,000)
Total (2,326,000)