Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Summary of Significant Accounting Policies
Reserve for accounts deemed uncollectible (as a percent)	100.00%
Allowance for doubtful accounts reserve balance	$ 307,000		$ 272,000
Earnings (Loss) Per Share of Common Stock
Dilutive instruments outstanding	0		0
Weighted Average Common Shares outstanding - basic and diluted	33,026,433	29,994,066