Quarterly report pursuant to Section 13 or 15(d)

Significant accounting policies (Narrative) (Details)

v3.4.0.3
Significant accounting policies (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Cash, cash equivalents and short-term investments:    
Cash and cash equivalent investment portfolio, percentage 11.00%  
Management fees $ 5,900 $ 8,400
Accounts receivable, net  
Sales $ 11,288
Income (loss) per share:    
Shares not included in the computation of EPS 757,000 779,000
Basic and diluted weighted average number of shares outstanding pre-stock split basis 30,990,029  
Basic and diluted weighted average number of shares outstanding 3,876,960 3,876,960