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Statement of Changes in Stockholders' Equity - USD ($)
Total
Common Stock [Member]
Common Stock To Be Issued [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Balance at Dec. 31, 2013 $ 2,395,579 $ 86,504 $ 12,500 $ 64,405,084 $ (13,948) $ (62,094,561)
Balance (in shares) at Dec. 31, 2013   8,650,417 78,126      
Stock-based compensation 37,500 $ 2,992 $ (12,500) 47,008 0 0
Stock-based compensation (in shares)   299,228 (78,126)      
Stock options granted 15,418 $ 0 $ 0 15,418 0 0
Common stock to be issued 12,500 $ 0 $ 12,500 0 0 0
Common stock to be issued (in shares)   0 83,334      
Comprehensive loss            
Net loss (235,755) $ 0 $ 0 0 0 (235,755)
Other comprehensive income (loss)            
Net unrealized gain (loss) on investment in securities 21,737 0 0 0 21,737 0
Comprehensive income (loss) (214,018) 0 0 0 21,737 (235,755)
Balance at Dec. 31, 2014 2,246,979 $ 89,496 $ 12,500 64,467,510 7,789 (62,330,316)
Balance (in shares) at Dec. 31, 2014   8,949,645 83,334      
Stock-based compensation 37,500 $ 3,333 $ (12,500) 46,667 0 0
Stock-based compensation (in shares)   333,336 (83,334)      
Common stock to be issued 12,500 $ 0 $ 12,500 0 0 0
Common stock to be issued (in shares)   0 83,334      
Comprehensive loss            
Net loss (197,138) $ 0 $ 0 0 0 (197,138)
Other comprehensive income (loss)            
Net unrealized gain (loss) on investment in securities (2,493) 0 0 0 (2,493) 0
Comprehensive income (loss) (199,631) 0 0 0 (2,493) (197,138)
Balance at Dec. 31, 2015 $ 2,097,348 $ 92,829 $ 12,500 $ 64,514,177 $ 5,296 $ (62,527,454)
Balance (in shares) at Dec. 31, 2015   9,282,981 83,334