Property, Plant and Equipment (Schedule of Property, Plant and Equipment Improvements) (Details) - USD ($)
$ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
$ 48,376
|
$ 36,218
|
| Less: accumulated depreciation and amortization |
(17,893)
|
(15,086)
|
| Property, plant and equipment, net |
30,483
|
21,132
|
| Computer Hardware and Software [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
1,008
|
921
|
| Lab and Factory Equipment [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
21,100
|
20,554
|
| Furniture, Fixtures and Office Equipment [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
59
|
59
|
| Finance Lease - Equipment [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
116
|
116
|
| Finance Lease - Manufacturing Facility [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
12,968
|
12,706
|
| Construction in Progress [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
11,804
|
1,734
|
| Leasehold Improvements [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
151
|
$ 128
|
| Factory Equipment - Gov't Award [Member] |
|
|
| Property, Plant and Equipment [Line Items] |
|
|
| Total property, plant and equipment |
$ 1,170
|
|