Debt - Narrative (Details) - USD ($)		6 Months Ended
	Dec. 22, 2011	Jun. 30, 2015	Dec. 31, 2014
Line of Credit Facility [Line Items]
Revolving line of credit, maximum	$ 4,500,000
Line of credit facility available, percentage of receivables	85.00%
Facility fee	1.00%
Credit line borrowings		$ 455,000	$ 453,000
Line of credit facility, remaining borrowing capacity		$ 1,700,000
Percentage Of Inventory Lower Of Cost Or Market Value [Member]
Line of Credit Facility [Line Items]
Line of credit facility available, threshold percent	50.00%
Inventory Maximum Value [Member]
Line of Credit Facility [Line Items]
Line of credit facility available, threshold value	$ 250,000
Borrowing On Accounts Receivable [Member]
Line of Credit Facility [Line Items]
Interest rate for borrowings	8.50%
Borrowing On Inventories [Member]
Line of Credit Facility [Line Items]
Interest rate for borrowings	10.00%
Borrowing On Overdrafts [Member]
Line of Credit Facility [Line Items]
Interest rate for borrowings	13.00%
Right to terminate, notice required, period of time	60 days
Line of Credit [Member] | UNITED KINGDOM [Member] | Subsidiaries [Member]
Line of Credit Facility [Line Items]
Line of credit facility, available percent of eligible sales		80.00%
Stated interest rate, percentage		3.02%