Credit Risk and Allowance for Doubtful Accounts (Details) - USD ($)	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Valuation and Qualifying Accounts Disclosure [Line Items]
Number of days outstanding before being considered past due	30 days
Restocking charge	20.00%
Reserves for accounts receivable, net	$ 345,000	$ 360,000
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Reserves for accounts receivable, net	260,000	285,000
Sales Return Allowances [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Reserves for accounts receivable, net	$ 85,000	$ 75,000