Income Taxes (Details 1) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets (liabilities):
Inventories	$ 103,909	$ 82,274
Stock options and other	88,303	96,009
Alternative Minimum Tax credit carryforward	24,674	24,674
Contingencies and accruals	157,936	90,829
Property and equipment	(454,788)	(340,099)
Capital loss carryover	0	25,420
Net operating loss carryforward	11,136,538	10,499,884
Intangibles	(4,687)	179
Total deferred tax assets, net	11,051,885	10,479,170
Valuation allowance	$ (11,051,885)	$ (10,479,170)